Home / 6,317.12-9,479.10-2,621.90

Finding the Fourth Proportional to 6,317.12, 9,479.10 and 2,621.90

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Solution

The fourth proportional to 6,317.12, 9,479.10 and 2,621.90 is: 3,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.12 : 9,479.10 = 2,621.90 : x
  2. Step 2: Convert to fraction form
    6,317.12/9,479.10 = 2,621.90/x
  3. Step 3: Cross multiply
    6,317.12x = 9,479.10 × 2,621.90
  4. Step 4: Simplify right side
    6,317.12x = 24,853,204.89
  5. Step 5: Solve for x
    x = 24,853,204.89/6,317.12
  6. Step 6: Final answer
    x = 3,934.27

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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.