Home / 9,851.68-13,589.94-6,310.90

Finding the Fourth Proportional to 9,851.68, 13,589.94 and 6,310.90

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Solution

The fourth proportional to 9,851.68, 13,589.94 and 6,310.90 is: 8,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.68 : 13,589.94 = 6,310.90 : x
  2. Step 2: Convert to fraction form
    9,851.68/13,589.94 = 6,310.90/x
  3. Step 3: Cross multiply
    9,851.68x = 13,589.94 × 6,310.90
  4. Step 4: Simplify right side
    9,851.68x = 85,764,752.35
  5. Step 5: Solve for x
    x = 85,764,752.35/9,851.68
  6. Step 6: Final answer
    x = 8,705.60

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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.