Home / 5,545.51-7,651.93-3,187.19

Finding the Fourth Proportional to 5,545.51, 7,651.93 and 3,187.19

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Solution

The fourth proportional to 5,545.51, 7,651.93 and 3,187.19 is: 4,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.51 : 7,651.93 = 3,187.19 : x
  2. Step 2: Convert to fraction form
    5,545.51/7,651.93 = 3,187.19/x
  3. Step 3: Cross multiply
    5,545.51x = 7,651.93 × 3,187.19
  4. Step 4: Simplify right side
    5,545.51x = 24,388,154.78
  5. Step 5: Solve for x
    x = 24,388,154.78/5,545.51
  6. Step 6: Final answer
    x = 4,397.82

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Half 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.