Home / 8,268.40-12,402.51-2,424.79

Finding the Fourth Proportional to 8,268.40, 12,402.51 and 2,424.79

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Solution

The fourth proportional to 8,268.40, 12,402.51 and 2,424.79 is: 3,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.40 : 12,402.51 = 2,424.79 : x
  2. Step 2: Convert to fraction form
    8,268.40/12,402.51 = 2,424.79/x
  3. Step 3: Cross multiply
    8,268.40x = 12,402.51 × 2,424.79
  4. Step 4: Simplify right side
    8,268.40x = 30,073,482.22
  5. Step 5: Solve for x
    x = 30,073,482.22/8,268.40
  6. Step 6: Final answer
    x = 3,637.16

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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.