Home / 5,372.42-8,070.98-3,816.20

Finding the Fourth Proportional to 5,372.42, 8,070.98 and 3,816.20

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Solution

The fourth proportional to 5,372.42, 8,070.98 and 3,816.20 is: 5,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.42 : 8,070.98 = 3,816.20 : x
  2. Step 2: Convert to fraction form
    5,372.42/8,070.98 = 3,816.20/x
  3. Step 3: Cross multiply
    5,372.42x = 8,070.98 × 3,816.20
  4. Step 4: Simplify right side
    5,372.42x = 30,800,474.97
  5. Step 5: Solve for x
    x = 30,800,474.97/5,372.42
  6. Step 6: Final answer
    x = 5,733.08

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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.