Home / 8,174.34-11,280.60-4,637.88

Finding the Fourth Proportional to 8,174.34, 11,280.60 and 4,637.88

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Solution

The fourth proportional to 8,174.34, 11,280.60 and 4,637.88 is: 6,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.34 : 11,280.60 = 4,637.88 : x
  2. Step 2: Convert to fraction form
    8,174.34/11,280.60 = 4,637.88/x
  3. Step 3: Cross multiply
    8,174.34x = 11,280.60 × 4,637.88
  4. Step 4: Simplify right side
    8,174.34x = 52,318,069.13
  5. Step 5: Solve for x
    x = 52,318,069.13/8,174.34
  6. Step 6: Final answer
    x = 6,400.28

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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.