Home / 8,089.40-12,130.86-2,892.44

Finding the Fourth Proportional to 8,089.40, 12,130.86 and 2,892.44

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Solution

The fourth proportional to 8,089.40, 12,130.86 and 2,892.44 is: 4,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.40 : 12,130.86 = 2,892.44 : x
  2. Step 2: Convert to fraction form
    8,089.40/12,130.86 = 2,892.44/x
  3. Step 3: Cross multiply
    8,089.40x = 12,130.86 × 2,892.44
  4. Step 4: Simplify right side
    8,089.40x = 35,087,784.70
  5. Step 5: Solve for x
    x = 35,087,784.70/8,089.40
  6. Step 6: Final answer
    x = 4,337.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.