Home / 9,263.46-12,781.68-5,283.54

Finding the Fourth Proportional to 9,263.46, 12,781.68 and 5,283.54

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Solution

The fourth proportional to 9,263.46, 12,781.68 and 5,283.54 is: 7,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.46 : 12,781.68 = 5,283.54 : x
  2. Step 2: Convert to fraction form
    9,263.46/12,781.68 = 5,283.54/x
  3. Step 3: Cross multiply
    9,263.46x = 12,781.68 × 5,283.54
  4. Step 4: Simplify right side
    9,263.46x = 67,532,517.55
  5. Step 5: Solve for x
    x = 67,532,517.55/9,263.46
  6. Step 6: Final answer
    x = 7,290.20

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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.