Home / 7,339.55-10,129.25-4,195.13

Finding the Fourth Proportional to 7,339.55, 10,129.25 and 4,195.13

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Solution

The fourth proportional to 7,339.55, 10,129.25 and 4,195.13 is: 5,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.55 : 10,129.25 = 4,195.13 : x
  2. Step 2: Convert to fraction form
    7,339.55/10,129.25 = 4,195.13/x
  3. Step 3: Cross multiply
    7,339.55x = 10,129.25 × 4,195.13
  4. Step 4: Simplify right side
    7,339.55x = 42,493,480.39
  5. Step 5: Solve for x
    x = 42,493,480.39/7,339.55
  6. Step 6: Final answer
    x = 5,789.66

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Half scale
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Double scale
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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.