Home / 9,087.80-12,541-5,108.84

Finding the Fourth Proportional to 9,087.80, 12,541 and 5,108.84

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Solution

The fourth proportional to 9,087.80, 12,541 and 5,108.84 is: 7,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.80 : 12,541 = 5,108.84 : x
  2. Step 2: Convert to fraction form
    9,087.80/12,541 = 5,108.84/x
  3. Step 3: Cross multiply
    9,087.80x = 12,541 × 5,108.84
  4. Step 4: Simplify right side
    9,087.80x = 64,069,962.44
  5. Step 5: Solve for x
    x = 64,069,962.44/9,087.80
  6. Step 6: Final answer
    x = 7,050.11

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Half scale
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Double scale
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Similar ratio
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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.