Home / 8,937.03-12,331.26-5,160.14

Finding the Fourth Proportional to 8,937.03, 12,331.26 and 5,160.14

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Solution

The fourth proportional to 8,937.03, 12,331.26 and 5,160.14 is: 7,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.03 : 12,331.26 = 5,160.14 : x
  2. Step 2: Convert to fraction form
    8,937.03/12,331.26 = 5,160.14/x
  3. Step 3: Cross multiply
    8,937.03x = 12,331.26 × 5,160.14
  4. Step 4: Simplify right side
    8,937.03x = 63,631,027.98
  5. Step 5: Solve for x
    x = 63,631,027.98/8,937.03
  6. Step 6: Final answer
    x = 7,119.93

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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.