Home / 8,853.04-13,281.79-2,612.80

Finding the Fourth Proportional to 8,853.04, 13,281.79 and 2,612.80

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Solution

The fourth proportional to 8,853.04, 13,281.79 and 2,612.80 is: 3,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.04 : 13,281.79 = 2,612.80 : x
  2. Step 2: Convert to fraction form
    8,853.04/13,281.79 = 2,612.80/x
  3. Step 3: Cross multiply
    8,853.04x = 13,281.79 × 2,612.80
  4. Step 4: Simplify right side
    8,853.04x = 34,702,621.18
  5. Step 5: Solve for x
    x = 34,702,621.18/8,853.04
  6. Step 6: Final answer
    x = 3,919.85

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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.