Home / 5,545.10-7,653.01-3,187.19

Finding the Fourth Proportional to 5,545.10, 7,653.01 and 3,187.19

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Solution

The fourth proportional to 5,545.10, 7,653.01 and 3,187.19 is: 4,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.10 : 7,653.01 = 3,187.19 : x
  2. Step 2: Convert to fraction form
    5,545.10/7,653.01 = 3,187.19/x
  3. Step 3: Cross multiply
    5,545.10x = 7,653.01 × 3,187.19
  4. Step 4: Simplify right side
    5,545.10x = 24,391,596.94
  5. Step 5: Solve for x
    x = 24,391,596.94/5,545.10
  6. Step 6: Final answer
    x = 4,398.77

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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.