Home / 8,267.79-11,401.52-6,278.43

Finding the Fourth Proportional to 8,267.79, 11,401.52 and 6,278.43

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Solution

The fourth proportional to 8,267.79, 11,401.52 and 6,278.43 is: 8,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.79 : 11,401.52 = 6,278.43 : x
  2. Step 2: Convert to fraction form
    8,267.79/11,401.52 = 6,278.43/x
  3. Step 3: Cross multiply
    8,267.79x = 11,401.52 × 6,278.43
  4. Step 4: Simplify right side
    8,267.79x = 71,583,613.82
  5. Step 5: Solve for x
    x = 71,583,613.82/8,267.79
  6. Step 6: Final answer
    x = 8,658.13

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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.