Home / 6,724.32-9,279.60-4,069.85

Finding the Fourth Proportional to 6,724.32, 9,279.60 and 4,069.85

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Solution

The fourth proportional to 6,724.32, 9,279.60 and 4,069.85 is: 5,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.32 : 9,279.60 = 4,069.85 : x
  2. Step 2: Convert to fraction form
    6,724.32/9,279.60 = 4,069.85/x
  3. Step 3: Cross multiply
    6,724.32x = 9,279.60 × 4,069.85
  4. Step 4: Simplify right side
    6,724.32x = 37,766,518.40
  5. Step 5: Solve for x
    x = 37,766,518.40/6,724.32
  6. Step 6: Final answer
    x = 5,616.41

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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.