Home / 4,891.89-7,332.32-2,428.47

Finding the Fourth Proportional to 4,891.89, 7,332.32 and 2,428.47

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Solution

The fourth proportional to 4,891.89, 7,332.32 and 2,428.47 is: 3,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.89 : 7,332.32 = 2,428.47 : x
  2. Step 2: Convert to fraction form
    4,891.89/7,332.32 = 2,428.47/x
  3. Step 3: Cross multiply
    4,891.89x = 7,332.32 × 2,428.47
  4. Step 4: Simplify right side
    4,891.89x = 17,806,319.15
  5. Step 5: Solve for x
    x = 17,806,319.15/4,891.89
  6. Step 6: Final answer
    x = 3,639.97

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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.