Home / 8,226.24-12,335.40-2,381.28

Finding the Fourth Proportional to 8,226.24, 12,335.40 and 2,381.28

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Solution

The fourth proportional to 8,226.24, 12,335.40 and 2,381.28 is: 3,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.24 : 12,335.40 = 2,381.28 : x
  2. Step 2: Convert to fraction form
    8,226.24/12,335.40 = 2,381.28/x
  3. Step 3: Cross multiply
    8,226.24x = 12,335.40 × 2,381.28
  4. Step 4: Simplify right side
    8,226.24x = 29,374,041.31
  5. Step 5: Solve for x
    x = 29,374,041.31/8,226.24
  6. Step 6: Final answer
    x = 3,570.77

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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.