Home / 8,306.15-11,462.21-4,720.88

Finding the Fourth Proportional to 8,306.15, 11,462.21 and 4,720.88

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Solution

The fourth proportional to 8,306.15, 11,462.21 and 4,720.88 is: 6,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.15 : 11,462.21 = 4,720.88 : x
  2. Step 2: Convert to fraction form
    8,306.15/11,462.21 = 4,720.88/x
  3. Step 3: Cross multiply
    8,306.15x = 11,462.21 × 4,720.88
  4. Step 4: Simplify right side
    8,306.15x = 54,111,740.70
  5. Step 5: Solve for x
    x = 54,111,740.70/8,306.15
  6. Step 6: Final answer
    x = 6,514.66

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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.