Home / 8,747.22-12,070.28-4,918.45

Finding the Fourth Proportional to 8,747.22, 12,070.28 and 4,918.45

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Solution

The fourth proportional to 8,747.22, 12,070.28 and 4,918.45 is: 6,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.22 : 12,070.28 = 4,918.45 : x
  2. Step 2: Convert to fraction form
    8,747.22/12,070.28 = 4,918.45/x
  3. Step 3: Cross multiply
    8,747.22x = 12,070.28 × 4,918.45
  4. Step 4: Simplify right side
    8,747.22x = 59,367,020.61
  5. Step 5: Solve for x
    x = 59,367,020.61/8,747.22
  6. Step 6: Final answer
    x = 6,786.96

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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.