Home / 7,384.13-11,079.45-3,873.29

Finding the Fourth Proportional to 7,384.13, 11,079.45 and 3,873.29

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Solution

The fourth proportional to 7,384.13, 11,079.45 and 3,873.29 is: 5,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.13 : 11,079.45 = 3,873.29 : x
  2. Step 2: Convert to fraction form
    7,384.13/11,079.45 = 3,873.29/x
  3. Step 3: Cross multiply
    7,384.13x = 11,079.45 × 3,873.29
  4. Step 4: Simplify right side
    7,384.13x = 42,913,950.59
  5. Step 5: Solve for x
    x = 42,913,950.59/7,384.13
  6. Step 6: Final answer
    x = 5,811.65

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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.