Home / 5,787.22-7,985.60-3,268.92

Finding the Fourth Proportional to 5,787.22, 7,985.60 and 3,268.92

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Solution

The fourth proportional to 5,787.22, 7,985.60 and 3,268.92 is: 4,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.22 : 7,985.60 = 3,268.92 : x
  2. Step 2: Convert to fraction form
    5,787.22/7,985.60 = 3,268.92/x
  3. Step 3: Cross multiply
    5,787.22x = 7,985.60 × 3,268.92
  4. Step 4: Simplify right side
    5,787.22x = 26,104,287.55
  5. Step 5: Solve for x
    x = 26,104,287.55/5,787.22
  6. Step 6: Final answer
    x = 4,510.68

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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.