Home / 8,253.38-11,389.67-4,527.38

Finding the Fourth Proportional to 8,253.38, 11,389.67 and 4,527.38

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Solution

The fourth proportional to 8,253.38, 11,389.67 and 4,527.38 is: 6,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.38 : 11,389.67 = 4,527.38 : x
  2. Step 2: Convert to fraction form
    8,253.38/11,389.67 = 4,527.38/x
  3. Step 3: Cross multiply
    8,253.38x = 11,389.67 × 4,527.38
  4. Step 4: Simplify right side
    8,253.38x = 51,565,284.58
  5. Step 5: Solve for x
    x = 51,565,284.58/8,253.38
  6. Step 6: Final answer
    x = 6,247.78

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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.