Home / 5,545.18-8,317.72-1,385.16

Finding the Fourth Proportional to 5,545.18, 8,317.72 and 1,385.16

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Solution

The fourth proportional to 5,545.18, 8,317.72 and 1,385.16 is: 2,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.18 : 8,317.72 = 1,385.16 : x
  2. Step 2: Convert to fraction form
    5,545.18/8,317.72 = 1,385.16/x
  3. Step 3: Cross multiply
    5,545.18x = 8,317.72 × 1,385.16
  4. Step 4: Simplify right side
    5,545.18x = 11,521,373.04
  5. Step 5: Solve for x
    x = 11,521,373.04/5,545.18
  6. Step 6: Final answer
    x = 2,077.73

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.