Home / 8,254.36-12,381.40-3,323.88

Finding the Fourth Proportional to 8,254.36, 12,381.40 and 3,323.88

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Solution

The fourth proportional to 8,254.36, 12,381.40 and 3,323.88 is: 4,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.36 : 12,381.40 = 3,323.88 : x
  2. Step 2: Convert to fraction form
    8,254.36/12,381.40 = 3,323.88/x
  3. Step 3: Cross multiply
    8,254.36x = 12,381.40 × 3,323.88
  4. Step 4: Simplify right side
    8,254.36x = 41,154,287.83
  5. Step 5: Solve for x
    x = 41,154,287.83/8,254.36
  6. Step 6: Final answer
    x = 4,985.76

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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.