Home / 4,317.15-6,475.73-3,989.10

Finding the Fourth Proportional to 4,317.15, 6,475.73 and 3,989.10

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Solution

The fourth proportional to 4,317.15, 6,475.73 and 3,989.10 is: 5,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.15 : 6,475.73 = 3,989.10 : x
  2. Step 2: Convert to fraction form
    4,317.15/6,475.73 = 3,989.10/x
  3. Step 3: Cross multiply
    4,317.15x = 6,475.73 × 3,989.10
  4. Step 4: Simplify right side
    4,317.15x = 25,832,314.60
  5. Step 5: Solve for x
    x = 25,832,314.60/4,317.15
  6. Step 6: Final answer
    x = 5,983.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.