Home / 5,818.20-8,011.62-4,972.56

Finding the Fourth Proportional to 5,818.20, 8,011.62 and 4,972.56

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Solution

The fourth proportional to 5,818.20, 8,011.62 and 4,972.56 is: 6,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.20 : 8,011.62 = 4,972.56 : x
  2. Step 2: Convert to fraction form
    5,818.20/8,011.62 = 4,972.56/x
  3. Step 3: Cross multiply
    5,818.20x = 8,011.62 × 4,972.56
  4. Step 4: Simplify right side
    5,818.20x = 39,838,261.15
  5. Step 5: Solve for x
    x = 39,838,261.15/5,818.20
  6. Step 6: Final answer
    x = 6,847.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.