Home / 4,689.59-6,471.40-2,564.71

Finding the Fourth Proportional to 4,689.59, 6,471.40 and 2,564.71

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Solution

The fourth proportional to 4,689.59, 6,471.40 and 2,564.71 is: 3,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.59 : 6,471.40 = 2,564.71 : x
  2. Step 2: Convert to fraction form
    4,689.59/6,471.40 = 2,564.71/x
  3. Step 3: Cross multiply
    4,689.59x = 6,471.40 × 2,564.71
  4. Step 4: Simplify right side
    4,689.59x = 16,597,251.47
  5. Step 5: Solve for x
    x = 16,597,251.47/4,689.59
  6. Step 6: Final answer
    x = 3,539.17

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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.