Home / 7,398.15-11,091.76-3,498

Finding the Fourth Proportional to 7,398.15, 11,091.76 and 3,498

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Solution

The fourth proportional to 7,398.15, 11,091.76 and 3,498 is: 5,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.15 : 11,091.76 = 3,498 : x
  2. Step 2: Convert to fraction form
    7,398.15/11,091.76 = 3,498/x
  3. Step 3: Cross multiply
    7,398.15x = 11,091.76 × 3,498
  4. Step 4: Simplify right side
    7,398.15x = 38,798,967.74
  5. Step 5: Solve for x
    x = 38,798,967.74/7,398.15
  6. Step 6: Final answer
    x = 5,244.41

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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.