Home / 7,331.43-10,118.73-4,187.62

Finding the Fourth Proportional to 7,331.43, 10,118.73 and 4,187.62

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Solution

The fourth proportional to 7,331.43, 10,118.73 and 4,187.62 is: 5,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.43 : 10,118.73 = 4,187.62 : x
  2. Step 2: Convert to fraction form
    7,331.43/10,118.73 = 4,187.62/x
  3. Step 3: Cross multiply
    7,331.43x = 10,118.73 × 4,187.62
  4. Step 4: Simplify right side
    7,331.43x = 42,373,370.83
  5. Step 5: Solve for x
    x = 42,373,370.83/7,331.43
  6. Step 6: Final answer
    x = 5,779.69

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Half scale
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Double scale
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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.