Home / 6,179.70-8,510.88-5,340.14

Finding the Fourth Proportional to 6,179.70, 8,510.88 and 5,340.14

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Solution

The fourth proportional to 6,179.70, 8,510.88 and 5,340.14 is: 7,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.70 : 8,510.88 = 5,340.14 : x
  2. Step 2: Convert to fraction form
    6,179.70/8,510.88 = 5,340.14/x
  3. Step 3: Cross multiply
    6,179.70x = 8,510.88 × 5,340.14
  4. Step 4: Simplify right side
    6,179.70x = 45,449,290.72
  5. Step 5: Solve for x
    x = 45,449,290.72/6,179.70
  6. Step 6: Final answer
    x = 7,354.61

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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.