Home / 5,545.40-7,637.10-5,424.44

Finding the Fourth Proportional to 5,545.40, 7,637.10 and 5,424.44

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Solution

The fourth proportional to 5,545.40, 7,637.10 and 5,424.44 is: 7,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.40 : 7,637.10 = 5,424.44 : x
  2. Step 2: Convert to fraction form
    5,545.40/7,637.10 = 5,424.44/x
  3. Step 3: Cross multiply
    5,545.40x = 7,637.10 × 5,424.44
  4. Step 4: Simplify right side
    5,545.40x = 41,426,990.72
  5. Step 5: Solve for x
    x = 41,426,990.72/5,545.40
  6. Step 6: Final answer
    x = 7,470.51

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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.