Home / 6,247.20-8,626.10-3,860.64

Finding the Fourth Proportional to 6,247.20, 8,626.10 and 3,860.64

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Solution

The fourth proportional to 6,247.20, 8,626.10 and 3,860.64 is: 5,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.20 : 8,626.10 = 3,860.64 : x
  2. Step 2: Convert to fraction form
    6,247.20/8,626.10 = 3,860.64/x
  3. Step 3: Cross multiply
    6,247.20x = 8,626.10 × 3,860.64
  4. Step 4: Simplify right side
    6,247.20x = 33,302,266.70
  5. Step 5: Solve for x
    x = 33,302,266.70/6,247.20
  6. Step 6: Final answer
    x = 5,330.75

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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.