Home / 9,089.45-12,543.12-5,110.79

Finding the Fourth Proportional to 9,089.45, 12,543.12 and 5,110.79

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Solution

The fourth proportional to 9,089.45, 12,543.12 and 5,110.79 is: 7,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.45 : 12,543.12 = 5,110.79 : x
  2. Step 2: Convert to fraction form
    9,089.45/12,543.12 = 5,110.79/x
  3. Step 3: Cross multiply
    9,089.45x = 12,543.12 × 5,110.79
  4. Step 4: Simplify right side
    9,089.45x = 64,105,252.26
  5. Step 5: Solve for x
    x = 64,105,252.26/9,089.45
  6. Step 6: Final answer
    x = 7,052.71

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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.