Home / 6,986.95-9,642.11-4,003.04

Finding the Fourth Proportional to 6,986.95, 9,642.11 and 4,003.04

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Solution

The fourth proportional to 6,986.95, 9,642.11 and 4,003.04 is: 5,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.95 : 9,642.11 = 4,003.04 : x
  2. Step 2: Convert to fraction form
    6,986.95/9,642.11 = 4,003.04/x
  3. Step 3: Cross multiply
    6,986.95x = 9,642.11 × 4,003.04
  4. Step 4: Simplify right side
    6,986.95x = 38,597,756.10
  5. Step 5: Solve for x
    x = 38,597,756.10/6,986.95
  6. Step 6: Final answer
    x = 5,524.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.