Home / 8,019.52-11,060.48-5,187.36

Finding the Fourth Proportional to 8,019.52, 11,060.48 and 5,187.36

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Solution

The fourth proportional to 8,019.52, 11,060.48 and 5,187.36 is: 7,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.52 : 11,060.48 = 5,187.36 : x
  2. Step 2: Convert to fraction form
    8,019.52/11,060.48 = 5,187.36/x
  3. Step 3: Cross multiply
    8,019.52x = 11,060.48 × 5,187.36
  4. Step 4: Simplify right side
    8,019.52x = 57,374,691.53
  5. Step 5: Solve for x
    x = 57,374,691.53/8,019.52
  6. Step 6: Final answer
    x = 7,154.38

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Half scale
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Double scale
Find fourth proportional to 8,020.52, 11,061.86 and 5,188.36
Similar ratio
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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.