Home / 4,125.60-5,695.92-3,607.20

Finding the Fourth Proportional to 4,125.60, 5,695.92 and 3,607.20

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Solution

The fourth proportional to 4,125.60, 5,695.92 and 3,607.20 is: 4,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.60 : 5,695.92 = 3,607.20 : x
  2. Step 2: Convert to fraction form
    4,125.60/5,695.92 = 3,607.20/x
  3. Step 3: Cross multiply
    4,125.60x = 5,695.92 × 3,607.20
  4. Step 4: Simplify right side
    4,125.60x = 20,546,322.62
  5. Step 5: Solve for x
    x = 20,546,322.62/4,125.60
  6. Step 6: Final answer
    x = 4,980.20

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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.