Home / 4,687.10-6,471.18-2,921.30

Finding the Fourth Proportional to 4,687.10, 6,471.18 and 2,921.30

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Solution

The fourth proportional to 4,687.10, 6,471.18 and 2,921.30 is: 4,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.10 : 6,471.18 = 2,921.30 : x
  2. Step 2: Convert to fraction form
    4,687.10/6,471.18 = 2,921.30/x
  3. Step 3: Cross multiply
    4,687.10x = 6,471.18 × 2,921.30
  4. Step 4: Simplify right side
    4,687.10x = 18,904,258.13
  5. Step 5: Solve for x
    x = 18,904,258.13/4,687.10
  6. Step 6: Final answer
    x = 4,033.25

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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.