Home / 6,142.22-9,215.49-2,679.02

Finding the Fourth Proportional to 6,142.22, 9,215.49 and 2,679.02

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Solution

The fourth proportional to 6,142.22, 9,215.49 and 2,679.02 is: 4,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.22 : 9,215.49 = 2,679.02 : x
  2. Step 2: Convert to fraction form
    6,142.22/9,215.49 = 2,679.02/x
  3. Step 3: Cross multiply
    6,142.22x = 9,215.49 × 2,679.02
  4. Step 4: Simplify right side
    6,142.22x = 24,688,482.02
  5. Step 5: Solve for x
    x = 24,688,482.02/6,142.22
  6. Step 6: Final answer
    x = 4,019.47

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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.