Home / 8,903.28-13,356.60-3,709.68

Finding the Fourth Proportional to 8,903.28, 13,356.60 and 3,709.68

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Solution

The fourth proportional to 8,903.28, 13,356.60 and 3,709.68 is: 5,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.28 : 13,356.60 = 3,709.68 : x
  2. Step 2: Convert to fraction form
    8,903.28/13,356.60 = 3,709.68/x
  3. Step 3: Cross multiply
    8,903.28x = 13,356.60 × 3,709.68
  4. Step 4: Simplify right side
    8,903.28x = 49,548,711.89
  5. Step 5: Solve for x
    x = 49,548,711.89/8,903.28
  6. Step 6: Final answer
    x = 5,565.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.