Home / 7,384.32-10,190.11-4,398.61

Finding the Fourth Proportional to 7,384.32, 10,190.11 and 4,398.61

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Solution

The fourth proportional to 7,384.32, 10,190.11 and 4,398.61 is: 6,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.32 : 10,190.11 = 4,398.61 : x
  2. Step 2: Convert to fraction form
    7,384.32/10,190.11 = 4,398.61/x
  3. Step 3: Cross multiply
    7,384.32x = 10,190.11 × 4,398.61
  4. Step 4: Simplify right side
    7,384.32x = 44,822,294.27
  5. Step 5: Solve for x
    x = 44,822,294.27/7,384.32
  6. Step 6: Final answer
    x = 6,069.93

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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.