Home / 8,827.20-13,242.84-3,280.56

Finding the Fourth Proportional to 8,827.20, 13,242.84 and 3,280.56

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Solution

The fourth proportional to 8,827.20, 13,242.84 and 3,280.56 is: 4,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.20 : 13,242.84 = 3,280.56 : x
  2. Step 2: Convert to fraction form
    8,827.20/13,242.84 = 3,280.56/x
  3. Step 3: Cross multiply
    8,827.20x = 13,242.84 × 3,280.56
  4. Step 4: Simplify right side
    8,827.20x = 43,443,931.19
  5. Step 5: Solve for x
    x = 43,443,931.19/8,827.20
  6. Step 6: Final answer
    x = 4,921.60

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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.