Home / 8,280.38-11,426.93-4,554.38

Finding the Fourth Proportional to 8,280.38, 11,426.93 and 4,554.38

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Solution

The fourth proportional to 8,280.38, 11,426.93 and 4,554.38 is: 6,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.38 : 11,426.93 = 4,554.38 : x
  2. Step 2: Convert to fraction form
    8,280.38/11,426.93 = 4,554.38/x
  3. Step 3: Cross multiply
    8,280.38x = 11,426.93 × 4,554.38
  4. Step 4: Simplify right side
    8,280.38x = 52,042,501.55
  5. Step 5: Solve for x
    x = 52,042,501.55/8,280.38
  6. Step 6: Final answer
    x = 6,285.04

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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.