Home / 9,140.28-12,613.53-4,948.50

Finding the Fourth Proportional to 9,140.28, 12,613.53 and 4,948.50

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Solution

The fourth proportional to 9,140.28, 12,613.53 and 4,948.50 is: 6,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.28 : 12,613.53 = 4,948.50 : x
  2. Step 2: Convert to fraction form
    9,140.28/12,613.53 = 4,948.50/x
  3. Step 3: Cross multiply
    9,140.28x = 12,613.53 × 4,948.50
  4. Step 4: Simplify right side
    9,140.28x = 62,418,053.21
  5. Step 5: Solve for x
    x = 62,418,053.21/9,140.28
  6. Step 6: Final answer
    x = 6,828.90

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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.