Home / 7,497.09-11,242.19-4,378.05

Finding the Fourth Proportional to 7,497.09, 11,242.19 and 4,378.05

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Solution

The fourth proportional to 7,497.09, 11,242.19 and 4,378.05 is: 6,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.09 : 11,242.19 = 4,378.05 : x
  2. Step 2: Convert to fraction form
    7,497.09/11,242.19 = 4,378.05/x
  3. Step 3: Cross multiply
    7,497.09x = 11,242.19 × 4,378.05
  4. Step 4: Simplify right side
    7,497.09x = 49,218,869.93
  5. Step 5: Solve for x
    x = 49,218,869.93/7,497.09
  6. Step 6: Final answer
    x = 6,565.06

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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.