Home / 8,740.23-13,111.07-3,545.43

Finding the Fourth Proportional to 8,740.23, 13,111.07 and 3,545.43

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Solution

The fourth proportional to 8,740.23, 13,111.07 and 3,545.43 is: 5,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.23 : 13,111.07 = 3,545.43 : x
  2. Step 2: Convert to fraction form
    8,740.23/13,111.07 = 3,545.43/x
  3. Step 3: Cross multiply
    8,740.23x = 13,111.07 × 3,545.43
  4. Step 4: Simplify right side
    8,740.23x = 46,484,363.18
  5. Step 5: Solve for x
    x = 46,484,363.18/8,740.23
  6. Step 6: Final answer
    x = 5,318.44

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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.