Home / 8,268.50-12,403.38-2,345.28

Finding the Fourth Proportional to 8,268.50, 12,403.38 and 2,345.28

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Solution

The fourth proportional to 8,268.50, 12,403.38 and 2,345.28 is: 3,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.50 : 12,403.38 = 2,345.28 : x
  2. Step 2: Convert to fraction form
    8,268.50/12,403.38 = 2,345.28/x
  3. Step 3: Cross multiply
    8,268.50x = 12,403.38 × 2,345.28
  4. Step 4: Simplify right side
    8,268.50x = 29,089,387.32
  5. Step 5: Solve for x
    x = 29,089,387.32/8,268.50
  6. Step 6: Final answer
    x = 3,518.10

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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.