Home / 8,754.20-13,109.70-5,816.60

Finding the Fourth Proportional to 8,754.20, 13,109.70 and 5,816.60

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Solution

The fourth proportional to 8,754.20, 13,109.70 and 5,816.60 is: 8,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.20 : 13,109.70 = 5,816.60 : x
  2. Step 2: Convert to fraction form
    8,754.20/13,109.70 = 5,816.60/x
  3. Step 3: Cross multiply
    8,754.20x = 13,109.70 × 5,816.60
  4. Step 4: Simplify right side
    8,754.20x = 76,253,881.02
  5. Step 5: Solve for x
    x = 76,253,881.02/8,754.20
  6. Step 6: Final answer
    x = 8,710.55

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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.