Home / 9,057.35-12,500.64-5,079.44

Finding the Fourth Proportional to 9,057.35, 12,500.64 and 5,079.44

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Solution

The fourth proportional to 9,057.35, 12,500.64 and 5,079.44 is: 7,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.35 : 12,500.64 = 5,079.44 : x
  2. Step 2: Convert to fraction form
    9,057.35/12,500.64 = 5,079.44/x
  3. Step 3: Cross multiply
    9,057.35x = 12,500.64 × 5,079.44
  4. Step 4: Simplify right side
    9,057.35x = 63,496,282.09
  5. Step 5: Solve for x
    x = 63,496,282.09/9,057.35
  6. Step 6: Final answer
    x = 7,010.47

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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.