Home / 6,817.97-9,409.19-4,545.39

Finding the Fourth Proportional to 6,817.97, 9,409.19 and 4,545.39

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Solution

The fourth proportional to 6,817.97, 9,409.19 and 4,545.39 is: 6,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.97 : 9,409.19 = 4,545.39 : x
  2. Step 2: Convert to fraction form
    6,817.97/9,409.19 = 4,545.39/x
  3. Step 3: Cross multiply
    6,817.97x = 9,409.19 × 4,545.39
  4. Step 4: Simplify right side
    6,817.97x = 42,768,437.01
  5. Step 5: Solve for x
    x = 42,768,437.01/6,817.97
  6. Step 6: Final answer
    x = 6,272.90

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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.