Home / 5,577.60-7,695.68-3,340.32

Finding the Fourth Proportional to 5,577.60, 7,695.68 and 3,340.32

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Solution

The fourth proportional to 5,577.60, 7,695.68 and 3,340.32 is: 4,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.60 : 7,695.68 = 3,340.32 : x
  2. Step 2: Convert to fraction form
    5,577.60/7,695.68 = 3,340.32/x
  3. Step 3: Cross multiply
    5,577.60x = 7,695.68 × 3,340.32
  4. Step 4: Simplify right side
    5,577.60x = 25,706,033.82
  5. Step 5: Solve for x
    x = 25,706,033.82/5,577.60
  6. Step 6: Final answer
    x = 4,608.80

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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.