Home / 8,871.19-12,242.78-4,892.29

Finding the Fourth Proportional to 8,871.19, 12,242.78 and 4,892.29

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Solution

The fourth proportional to 8,871.19, 12,242.78 and 4,892.29 is: 6,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.19 : 12,242.78 = 4,892.29 : x
  2. Step 2: Convert to fraction form
    8,871.19/12,242.78 = 4,892.29/x
  3. Step 3: Cross multiply
    8,871.19x = 12,242.78 × 4,892.29
  4. Step 4: Simplify right side
    8,871.19x = 59,895,230.17
  5. Step 5: Solve for x
    x = 59,895,230.17/8,871.19
  6. Step 6: Final answer
    x = 6,751.66

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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.