Home / 8,801.20-12,145.92-4,822.24

Finding the Fourth Proportional to 8,801.20, 12,145.92 and 4,822.24

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Solution

The fourth proportional to 8,801.20, 12,145.92 and 4,822.24 is: 6,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.20 : 12,145.92 = 4,822.24 : x
  2. Step 2: Convert to fraction form
    8,801.20/12,145.92 = 4,822.24/x
  3. Step 3: Cross multiply
    8,801.20x = 12,145.92 × 4,822.24
  4. Step 4: Simplify right side
    8,801.20x = 58,570,541.26
  5. Step 5: Solve for x
    x = 58,570,541.26/8,801.20
  6. Step 6: Final answer
    x = 6,654.84

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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.