Home / 6,986.02-10,479.42-1,791.76

Finding the Fourth Proportional to 6,986.02, 10,479.42 and 1,791.76

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Solution

The fourth proportional to 6,986.02, 10,479.42 and 1,791.76 is: 2,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.02 : 10,479.42 = 1,791.76 : x
  2. Step 2: Convert to fraction form
    6,986.02/10,479.42 = 1,791.76/x
  3. Step 3: Cross multiply
    6,986.02x = 10,479.42 × 1,791.76
  4. Step 4: Simplify right side
    6,986.02x = 18,776,605.58
  5. Step 5: Solve for x
    x = 18,776,605.58/6,986.02
  6. Step 6: Final answer
    x = 2,687.74

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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.