Home / 4,685.31-6,471.05-3,190.64

Finding the Fourth Proportional to 4,685.31, 6,471.05 and 3,190.64

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Solution

The fourth proportional to 4,685.31, 6,471.05 and 3,190.64 is: 4,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.31 : 6,471.05 = 3,190.64 : x
  2. Step 2: Convert to fraction form
    4,685.31/6,471.05 = 3,190.64/x
  3. Step 3: Cross multiply
    4,685.31x = 6,471.05 × 3,190.64
  4. Step 4: Simplify right side
    4,685.31x = 20,646,742.66
  5. Step 5: Solve for x
    x = 20,646,742.66/4,685.31
  6. Step 6: Final answer
    x = 4,406.70

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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.