Home / 9,089.75-12,543.80-5,110.88

Finding the Fourth Proportional to 9,089.75, 12,543.80 and 5,110.88

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Solution

The fourth proportional to 9,089.75, 12,543.80 and 5,110.88 is: 7,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.75 : 12,543.80 = 5,110.88 : x
  2. Step 2: Convert to fraction form
    9,089.75/12,543.80 = 5,110.88/x
  3. Step 3: Cross multiply
    9,089.75x = 12,543.80 × 5,110.88
  4. Step 4: Simplify right side
    9,089.75x = 64,109,768.27
  5. Step 5: Solve for x
    x = 64,109,768.27/9,089.75
  6. Step 6: Final answer
    x = 7,052.98

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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.