Home / 8,384.25-11,572.70-5,589.75

Finding the Fourth Proportional to 8,384.25, 11,572.70 and 5,589.75

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Solution

The fourth proportional to 8,384.25, 11,572.70 and 5,589.75 is: 7,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.25 : 11,572.70 = 5,589.75 : x
  2. Step 2: Convert to fraction form
    8,384.25/11,572.70 = 5,589.75/x
  3. Step 3: Cross multiply
    8,384.25x = 11,572.70 × 5,589.75
  4. Step 4: Simplify right side
    8,384.25x = 64,688,471.88
  5. Step 5: Solve for x
    x = 64,688,471.88/8,384.25
  6. Step 6: Final answer
    x = 7,715.48

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Half scale
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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.