Home / 6,917.24-10,375.02-1,986.76

Finding the Fourth Proportional to 6,917.24, 10,375.02 and 1,986.76

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Solution

The fourth proportional to 6,917.24, 10,375.02 and 1,986.76 is: 2,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.24 : 10,375.02 = 1,986.76 : x
  2. Step 2: Convert to fraction form
    6,917.24/10,375.02 = 1,986.76/x
  3. Step 3: Cross multiply
    6,917.24x = 10,375.02 × 1,986.76
  4. Step 4: Simplify right side
    6,917.24x = 20,612,674.74
  5. Step 5: Solve for x
    x = 20,612,674.74/6,917.24
  6. Step 6: Final answer
    x = 2,979.90

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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.