Home / 5,631.12-8,445.98-2,343.78

Finding the Fourth Proportional to 5,631.12, 8,445.98 and 2,343.78

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Solution

The fourth proportional to 5,631.12, 8,445.98 and 2,343.78 is: 3,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.12 : 8,445.98 = 2,343.78 : x
  2. Step 2: Convert to fraction form
    5,631.12/8,445.98 = 2,343.78/x
  3. Step 3: Cross multiply
    5,631.12x = 8,445.98 × 2,343.78
  4. Step 4: Simplify right side
    5,631.12x = 19,795,519.00
  5. Step 5: Solve for x
    x = 19,795,519.00/5,631.12
  6. Step 6: Final answer
    x = 3,515.38

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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.