Home / 5,268.60-7,268.40-3,280.14

Finding the Fourth Proportional to 5,268.60, 7,268.40 and 3,280.14

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Solution

The fourth proportional to 5,268.60, 7,268.40 and 3,280.14 is: 4,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.60 : 7,268.40 = 3,280.14 : x
  2. Step 2: Convert to fraction form
    5,268.60/7,268.40 = 3,280.14/x
  3. Step 3: Cross multiply
    5,268.60x = 7,268.40 × 3,280.14
  4. Step 4: Simplify right side
    5,268.60x = 23,841,369.58
  5. Step 5: Solve for x
    x = 23,841,369.58/5,268.60
  6. Step 6: Final answer
    x = 4,525.18

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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.