Home / 6,170.40-8,542.80-5,863.20

Finding the Fourth Proportional to 6,170.40, 8,542.80 and 5,863.20

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Solution

The fourth proportional to 6,170.40, 8,542.80 and 5,863.20 is: 8,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.40 : 8,542.80 = 5,863.20 : x
  2. Step 2: Convert to fraction form
    6,170.40/8,542.80 = 5,863.20/x
  3. Step 3: Cross multiply
    6,170.40x = 8,542.80 × 5,863.20
  4. Step 4: Simplify right side
    6,170.40x = 50,088,144.96
  5. Step 5: Solve for x
    x = 50,088,144.96/6,170.40
  6. Step 6: Final answer
    x = 8,117.49

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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.