Home / 7,545.25-10,411.25-4,187.99

Finding the Fourth Proportional to 7,545.25, 10,411.25 and 4,187.99

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Solution

The fourth proportional to 7,545.25, 10,411.25 and 4,187.99 is: 5,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.25 : 10,411.25 = 4,187.99 : x
  2. Step 2: Convert to fraction form
    7,545.25/10,411.25 = 4,187.99/x
  3. Step 3: Cross multiply
    7,545.25x = 10,411.25 × 4,187.99
  4. Step 4: Simplify right side
    7,545.25x = 43,602,215.98
  5. Step 5: Solve for x
    x = 43,602,215.98/7,545.25
  6. Step 6: Final answer
    x = 5,778.76

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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.