Home / 8,254.45-12,381.66-2,411.05

Finding the Fourth Proportional to 8,254.45, 12,381.66 and 2,411.05

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Solution

The fourth proportional to 8,254.45, 12,381.66 and 2,411.05 is: 3,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.45 : 12,381.66 = 2,411.05 : x
  2. Step 2: Convert to fraction form
    8,254.45/12,381.66 = 2,411.05/x
  3. Step 3: Cross multiply
    8,254.45x = 12,381.66 × 2,411.05
  4. Step 4: Simplify right side
    8,254.45x = 29,852,801.34
  5. Step 5: Solve for x
    x = 29,852,801.34/8,254.45
  6. Step 6: Final answer
    x = 3,616.57

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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.