Home / 8,219.55-12,338.10-3,541.88

Finding the Fourth Proportional to 8,219.55, 12,338.10 and 3,541.88

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Solution

The fourth proportional to 8,219.55, 12,338.10 and 3,541.88 is: 5,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.55 : 12,338.10 = 3,541.88 : x
  2. Step 2: Convert to fraction form
    8,219.55/12,338.10 = 3,541.88/x
  3. Step 3: Cross multiply
    8,219.55x = 12,338.10 × 3,541.88
  4. Step 4: Simplify right side
    8,219.55x = 43,700,069.63
  5. Step 5: Solve for x
    x = 43,700,069.63/8,219.55
  6. Step 6: Final answer
    x = 5,316.60

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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.