Home / 8,853.40-13,281.98-2,929.96

Finding the Fourth Proportional to 8,853.40, 13,281.98 and 2,929.96

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Solution

The fourth proportional to 8,853.40, 13,281.98 and 2,929.96 is: 4,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.40 : 13,281.98 = 2,929.96 : x
  2. Step 2: Convert to fraction form
    8,853.40/13,281.98 = 2,929.96/x
  3. Step 3: Cross multiply
    8,853.40x = 13,281.98 × 2,929.96
  4. Step 4: Simplify right side
    8,853.40x = 38,915,670.12
  5. Step 5: Solve for x
    x = 38,915,670.12/8,853.40
  6. Step 6: Final answer
    x = 4,395.56

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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.