Home / 5,268.48-7,902.40-1,808.16

Finding the Fourth Proportional to 5,268.48, 7,902.40 and 1,808.16

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Solution

The fourth proportional to 5,268.48, 7,902.40 and 1,808.16 is: 2,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.48 : 7,902.40 = 1,808.16 : x
  2. Step 2: Convert to fraction form
    5,268.48/7,902.40 = 1,808.16/x
  3. Step 3: Cross multiply
    5,268.48x = 7,902.40 × 1,808.16
  4. Step 4: Simplify right side
    5,268.48x = 14,288,803.58
  5. Step 5: Solve for x
    x = 14,288,803.58/5,268.48
  6. Step 6: Final answer
    x = 2,712.13

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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.