Home / 4,084.24-6,126.78-1,310.20

Finding the Fourth Proportional to 4,084.24, 6,126.78 and 1,310.20

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Solution

The fourth proportional to 4,084.24, 6,126.78 and 1,310.20 is: 1,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.24 : 6,126.78 = 1,310.20 : x
  2. Step 2: Convert to fraction form
    4,084.24/6,126.78 = 1,310.20/x
  3. Step 3: Cross multiply
    4,084.24x = 6,126.78 × 1,310.20
  4. Step 4: Simplify right side
    4,084.24x = 8,027,307.16
  5. Step 5: Solve for x
    x = 8,027,307.16/4,084.24
  6. Step 6: Final answer
    x = 1,965.43

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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.