Home / 8,729.04-13,087.04-5,612.48

Finding the Fourth Proportional to 8,729.04, 13,087.04 and 5,612.48

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Solution

The fourth proportional to 8,729.04, 13,087.04 and 5,612.48 is: 8,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.04 : 13,087.04 = 5,612.48 : x
  2. Step 2: Convert to fraction form
    8,729.04/13,087.04 = 5,612.48/x
  3. Step 3: Cross multiply
    8,729.04x = 13,087.04 × 5,612.48
  4. Step 4: Simplify right side
    8,729.04x = 73,450,750.26
  5. Step 5: Solve for x
    x = 73,450,750.26/8,729.04
  6. Step 6: Final answer
    x = 8,414.53

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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.