Home / 8,001.20-11,985.60-4,534.40

Finding the Fourth Proportional to 8,001.20, 11,985.60 and 4,534.40

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Solution

The fourth proportional to 8,001.20, 11,985.60 and 4,534.40 is: 6,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.20 : 11,985.60 = 4,534.40 : x
  2. Step 2: Convert to fraction form
    8,001.20/11,985.60 = 4,534.40/x
  3. Step 3: Cross multiply
    8,001.20x = 11,985.60 × 4,534.40
  4. Step 4: Simplify right side
    8,001.20x = 54,347,504.64
  5. Step 5: Solve for x
    x = 54,347,504.64/8,001.20
  6. Step 6: Final answer
    x = 6,792.42

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1.5x scale

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.