Home / 7,430.91-11,139.39-2,497.10

Finding the Fourth Proportional to 7,430.91, 11,139.39 and 2,497.10

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Solution

The fourth proportional to 7,430.91, 11,139.39 and 2,497.10 is: 3,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.91 : 11,139.39 = 2,497.10 : x
  2. Step 2: Convert to fraction form
    7,430.91/11,139.39 = 2,497.10/x
  3. Step 3: Cross multiply
    7,430.91x = 11,139.39 × 2,497.10
  4. Step 4: Simplify right side
    7,430.91x = 27,816,207.98
  5. Step 5: Solve for x
    x = 27,816,207.98/7,430.91
  6. Step 6: Final answer
    x = 3,743.31

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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.