Home / 9,089.08-12,538.68-5,902.12

Finding the Fourth Proportional to 9,089.08, 12,538.68 and 5,902.12

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Solution

The fourth proportional to 9,089.08, 12,538.68 and 5,902.12 is: 8,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.08 : 12,538.68 = 5,902.12 : x
  2. Step 2: Convert to fraction form
    9,089.08/12,538.68 = 5,902.12/x
  3. Step 3: Cross multiply
    9,089.08x = 12,538.68 × 5,902.12
  4. Step 4: Simplify right side
    9,089.08x = 74,004,794.00
  5. Step 5: Solve for x
    x = 74,004,794.00/9,089.08
  6. Step 6: Final answer
    x = 8,142.17

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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.