Home / 4,770.29-7,148.17-2,426.78

Finding the Fourth Proportional to 4,770.29, 7,148.17 and 2,426.78

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Solution

The fourth proportional to 4,770.29, 7,148.17 and 2,426.78 is: 3,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.29 : 7,148.17 = 2,426.78 : x
  2. Step 2: Convert to fraction form
    4,770.29/7,148.17 = 2,426.78/x
  3. Step 3: Cross multiply
    4,770.29x = 7,148.17 × 2,426.78
  4. Step 4: Simplify right side
    4,770.29x = 17,347,035.99
  5. Step 5: Solve for x
    x = 17,347,035.99/4,770.29
  6. Step 6: Final answer
    x = 3,636.47

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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.