Home / 4,478.45-6,172.22-3,641.92

Finding the Fourth Proportional to 4,478.45, 6,172.22 and 3,641.92

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Solution

The fourth proportional to 4,478.45, 6,172.22 and 3,641.92 is: 5,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.45 : 6,172.22 = 3,641.92 : x
  2. Step 2: Convert to fraction form
    4,478.45/6,172.22 = 3,641.92/x
  3. Step 3: Cross multiply
    4,478.45x = 6,172.22 × 3,641.92
  4. Step 4: Simplify right side
    4,478.45x = 22,478,700.60
  5. Step 5: Solve for x
    x = 22,478,700.60/4,478.45
  6. Step 6: Final answer
    x = 5,019.31

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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.