Home / 8,897.28-12,268.32-7,277.16

Finding the Fourth Proportional to 8,897.28, 12,268.32 and 7,277.16

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Solution

The fourth proportional to 8,897.28, 12,268.32 and 7,277.16 is: 10,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.28 : 12,268.32 = 7,277.16 : x
  2. Step 2: Convert to fraction form
    8,897.28/12,268.32 = 7,277.16/x
  3. Step 3: Cross multiply
    8,897.28x = 12,268.32 × 7,277.16
  4. Step 4: Simplify right side
    8,897.28x = 89,278,527.57
  5. Step 5: Solve for x
    x = 89,278,527.57/8,897.28
  6. Step 6: Final answer
    x = 10,034.36

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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.