Home / 4,456.44-6,695.28-4,220.64

Finding the Fourth Proportional to 4,456.44, 6,695.28 and 4,220.64

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Solution

The fourth proportional to 4,456.44, 6,695.28 and 4,220.64 is: 6,341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.44 : 6,695.28 = 4,220.64 : x
  2. Step 2: Convert to fraction form
    4,456.44/6,695.28 = 4,220.64/x
  3. Step 3: Cross multiply
    4,456.44x = 6,695.28 × 4,220.64
  4. Step 4: Simplify right side
    4,456.44x = 28,258,366.58
  5. Step 5: Solve for x
    x = 28,258,366.58/4,456.44
  6. Step 6: Final answer
    x = 6,341.02

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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.