Home / 9,120.62-12,587.00-5,141.97

Finding the Fourth Proportional to 9,120.62, 12,587.00 and 5,141.97

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Solution

The fourth proportional to 9,120.62, 12,587.00 and 5,141.97 is: 7,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.62 : 12,587.00 = 5,141.97 : x
  2. Step 2: Convert to fraction form
    9,120.62/12,587.00 = 5,141.97/x
  3. Step 3: Cross multiply
    9,120.62x = 12,587.00 × 5,141.97
  4. Step 4: Simplify right side
    9,120.62x = 64,721,950.68
  5. Step 5: Solve for x
    x = 64,721,950.68/9,120.62
  6. Step 6: Final answer
    x = 7,096.22

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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.