Home / 9,140.46-12,613.86-4,948.68

Finding the Fourth Proportional to 9,140.46, 12,613.86 and 4,948.68

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Solution

The fourth proportional to 9,140.46, 12,613.86 and 4,948.68 is: 6,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.46 : 12,613.86 = 4,948.68 : x
  2. Step 2: Convert to fraction form
    9,140.46/12,613.86 = 4,948.68/x
  3. Step 3: Cross multiply
    9,140.46x = 12,613.86 × 4,948.68
  4. Step 4: Simplify right side
    9,140.46x = 62,421,956.70
  5. Step 5: Solve for x
    x = 62,421,956.70/9,140.46
  6. Step 6: Final answer
    x = 6,829.19

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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.