Home / 8,872.40-13,305.85-2,948.02

Finding the Fourth Proportional to 8,872.40, 13,305.85 and 2,948.02

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Solution

The fourth proportional to 8,872.40, 13,305.85 and 2,948.02 is: 4,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.40 : 13,305.85 = 2,948.02 : x
  2. Step 2: Convert to fraction form
    8,872.40/13,305.85 = 2,948.02/x
  3. Step 3: Cross multiply
    8,872.40x = 13,305.85 × 2,948.02
  4. Step 4: Simplify right side
    8,872.40x = 39,225,911.92
  5. Step 5: Solve for x
    x = 39,225,911.92/8,872.40
  6. Step 6: Final answer
    x = 4,421.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.