Home / 4,549.60-6,824.40-4,103.20

Finding the Fourth Proportional to 4,549.60, 6,824.40 and 4,103.20

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Solution

The fourth proportional to 4,549.60, 6,824.40 and 4,103.20 is: 6,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.60 : 6,824.40 = 4,103.20 : x
  2. Step 2: Convert to fraction form
    4,549.60/6,824.40 = 4,103.20/x
  3. Step 3: Cross multiply
    4,549.60x = 6,824.40 × 4,103.20
  4. Step 4: Simplify right side
    4,549.60x = 28,001,878.08
  5. Step 5: Solve for x
    x = 28,001,878.08/4,549.60
  6. Step 6: Final answer
    x = 6,154.80

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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.