Home / 6,766.80-10,139.28-4,164.24

Finding the Fourth Proportional to 6,766.80, 10,139.28 and 4,164.24

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Solution

The fourth proportional to 6,766.80, 10,139.28 and 4,164.24 is: 6,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.80 : 10,139.28 = 4,164.24 : x
  2. Step 2: Convert to fraction form
    6,766.80/10,139.28 = 4,164.24/x
  3. Step 3: Cross multiply
    6,766.80x = 10,139.28 × 4,164.24
  4. Step 4: Simplify right side
    6,766.80x = 42,222,395.35
  5. Step 5: Solve for x
    x = 42,222,395.35/6,766.80
  6. Step 6: Final answer
    x = 6,239.64

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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.