Home / 4,685.10-6,455.58-3,190.38

Finding the Fourth Proportional to 4,685.10, 6,455.58 and 3,190.38

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Solution

The fourth proportional to 4,685.10, 6,455.58 and 3,190.38 is: 4,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.10 : 6,455.58 = 3,190.38 : x
  2. Step 2: Convert to fraction form
    4,685.10/6,455.58 = 3,190.38/x
  3. Step 3: Cross multiply
    4,685.10x = 6,455.58 × 3,190.38
  4. Step 4: Simplify right side
    4,685.10x = 20,595,753.32
  5. Step 5: Solve for x
    x = 20,595,753.32/4,685.10
  6. Step 6: Final answer
    x = 4,396.01

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,686.10, 6,456.96 and 3,191.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.