Home / 5,182.20-7,778.76-4,267.32

Finding the Fourth Proportional to 5,182.20, 7,778.76 and 4,267.32

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Solution

The fourth proportional to 5,182.20, 7,778.76 and 4,267.32 is: 6,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.20 : 7,778.76 = 4,267.32 : x
  2. Step 2: Convert to fraction form
    5,182.20/7,778.76 = 4,267.32/x
  3. Step 3: Cross multiply
    5,182.20x = 7,778.76 × 4,267.32
  4. Step 4: Simplify right side
    5,182.20x = 33,194,458.12
  5. Step 5: Solve for x
    x = 33,194,458.12/5,182.20
  6. Step 6: Final answer
    x = 6,405.48

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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.