Home / 6,681.12-9,219.20-3,697.02

Finding the Fourth Proportional to 6,681.12, 9,219.20 and 3,697.02

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Solution

The fourth proportional to 6,681.12, 9,219.20 and 3,697.02 is: 5,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.12 : 9,219.20 = 3,697.02 : x
  2. Step 2: Convert to fraction form
    6,681.12/9,219.20 = 3,697.02/x
  3. Step 3: Cross multiply
    6,681.12x = 9,219.20 × 3,697.02
  4. Step 4: Simplify right side
    6,681.12x = 34,083,566.78
  5. Step 5: Solve for x
    x = 34,083,566.78/6,681.12
  6. Step 6: Final answer
    x = 5,101.48

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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.