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Finding the Fourth Proportional to 7,257.42, 10,836.84 and 7,060.59

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Solution

The fourth proportional to 7,257.42, 10,836.84 and 7,060.59 is: 10,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.42 : 10,836.84 = 7,060.59 : x
  2. Step 2: Convert to fraction form
    7,257.42/10,836.84 = 7,060.59/x
  3. Step 3: Cross multiply
    7,257.42x = 10,836.84 × 7,060.59
  4. Step 4: Simplify right side
    7,257.42x = 76,514,484.14
  5. Step 5: Solve for x
    x = 76,514,484.14/7,257.42
  6. Step 6: Final answer
    x = 10,542.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.