Home / 8,770.20-13,157.27-4,612.18

Finding the Fourth Proportional to 8,770.20, 13,157.27 and 4,612.18

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Solution

The fourth proportional to 8,770.20, 13,157.27 and 4,612.18 is: 6,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.20 : 13,157.27 = 4,612.18 : x
  2. Step 2: Convert to fraction form
    8,770.20/13,157.27 = 4,612.18/x
  3. Step 3: Cross multiply
    8,770.20x = 13,157.27 × 4,612.18
  4. Step 4: Simplify right side
    8,770.20x = 60,683,608.70
  5. Step 5: Solve for x
    x = 60,683,608.70/8,770.20
  6. Step 6: Final answer
    x = 6,919.30

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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.