Home / 6,515.12-9,766.20-4,208.24

Finding the Fourth Proportional to 6,515.12, 9,766.20 and 4,208.24

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Solution

The fourth proportional to 6,515.12, 9,766.20 and 4,208.24 is: 6,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.12 : 9,766.20 = 4,208.24 : x
  2. Step 2: Convert to fraction form
    6,515.12/9,766.20 = 4,208.24/x
  3. Step 3: Cross multiply
    6,515.12x = 9,766.20 × 4,208.24
  4. Step 4: Simplify right side
    6,515.12x = 41,098,513.49
  5. Step 5: Solve for x
    x = 41,098,513.49/6,515.12
  6. Step 6: Final answer
    x = 6,308.17

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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.