Home / 8,784.28-13,177.50-3,589.48

Finding the Fourth Proportional to 8,784.28, 13,177.50 and 3,589.48

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Solution

The fourth proportional to 8,784.28, 13,177.50 and 3,589.48 is: 5,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.28 : 13,177.50 = 3,589.48 : x
  2. Step 2: Convert to fraction form
    8,784.28/13,177.50 = 3,589.48/x
  3. Step 3: Cross multiply
    8,784.28x = 13,177.50 × 3,589.48
  4. Step 4: Simplify right side
    8,784.28x = 47,300,372.70
  5. Step 5: Solve for x
    x = 47,300,372.70/8,784.28
  6. Step 6: Final answer
    x = 5,384.66

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1.5x scale

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.