Home / 5,577.60-8,366.40-2,505.60

Finding the Fourth Proportional to 5,577.60, 8,366.40 and 2,505.60

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Solution

The fourth proportional to 5,577.60, 8,366.40 and 2,505.60 is: 3,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.60 : 8,366.40 = 2,505.60 : x
  2. Step 2: Convert to fraction form
    5,577.60/8,366.40 = 2,505.60/x
  3. Step 3: Cross multiply
    5,577.60x = 8,366.40 × 2,505.60
  4. Step 4: Simplify right side
    5,577.60x = 20,962,851.84
  5. Step 5: Solve for x
    x = 20,962,851.84/5,577.60
  6. Step 6: Final answer
    x = 3,758.40

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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.