Home / 6,071.40-8,377.56-3,418.80

Finding the Fourth Proportional to 6,071.40, 8,377.56 and 3,418.80

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Solution

The fourth proportional to 6,071.40, 8,377.56 and 3,418.80 is: 4,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.40 : 8,377.56 = 3,418.80 : x
  2. Step 2: Convert to fraction form
    6,071.40/8,377.56 = 3,418.80/x
  3. Step 3: Cross multiply
    6,071.40x = 8,377.56 × 3,418.80
  4. Step 4: Simplify right side
    6,071.40x = 28,641,202.13
  5. Step 5: Solve for x
    x = 28,641,202.13/6,071.40
  6. Step 6: Final answer
    x = 4,717.40

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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.