Home / 6,748.20-10,115.10-2,586.60

Finding the Fourth Proportional to 6,748.20, 10,115.10 and 2,586.60

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Solution

The fourth proportional to 6,748.20, 10,115.10 and 2,586.60 is: 3,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.20 : 10,115.10 = 2,586.60 : x
  2. Step 2: Convert to fraction form
    6,748.20/10,115.10 = 2,586.60/x
  3. Step 3: Cross multiply
    6,748.20x = 10,115.10 × 2,586.60
  4. Step 4: Simplify right side
    6,748.20x = 26,163,717.66
  5. Step 5: Solve for x
    x = 26,163,717.66/6,748.20
  6. Step 6: Final answer
    x = 3,877.14

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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.