Home / 4,658.11-6,987.06-2,191.56

Finding the Fourth Proportional to 4,658.11, 6,987.06 and 2,191.56

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Solution

The fourth proportional to 4,658.11, 6,987.06 and 2,191.56 is: 3,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.11 : 6,987.06 = 2,191.56 : x
  2. Step 2: Convert to fraction form
    4,658.11/6,987.06 = 2,191.56/x
  3. Step 3: Cross multiply
    4,658.11x = 6,987.06 × 2,191.56
  4. Step 4: Simplify right side
    4,658.11x = 15,312,561.21
  5. Step 5: Solve for x
    x = 15,312,561.21/4,658.11
  6. Step 6: Final answer
    x = 3,287.29

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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.