Home / 8,341.48-11,519.85-7,217.02

Finding the Fourth Proportional to 8,341.48, 11,519.85 and 7,217.02

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Solution

The fourth proportional to 8,341.48, 11,519.85 and 7,217.02 is: 9,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.48 : 11,519.85 = 7,217.02 : x
  2. Step 2: Convert to fraction form
    8,341.48/11,519.85 = 7,217.02/x
  3. Step 3: Cross multiply
    8,341.48x = 11,519.85 × 7,217.02
  4. Step 4: Simplify right side
    8,341.48x = 83,138,987.85
  5. Step 5: Solve for x
    x = 83,138,987.85/8,341.48
  6. Step 6: Final answer
    x = 9,966.93

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1.5x scale

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.