Home / 6,861.13-10,280.88-5,304.94

Finding the Fourth Proportional to 6,861.13, 10,280.88 and 5,304.94

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Solution

The fourth proportional to 6,861.13, 10,280.88 and 5,304.94 is: 7,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.13 : 10,280.88 = 5,304.94 : x
  2. Step 2: Convert to fraction form
    6,861.13/10,280.88 = 5,304.94/x
  3. Step 3: Cross multiply
    6,861.13x = 10,280.88 × 5,304.94
  4. Step 4: Simplify right side
    6,861.13x = 54,539,451.55
  5. Step 5: Solve for x
    x = 54,539,451.55/6,861.13
  6. Step 6: Final answer
    x = 7,949.05

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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.