Home / 8,411.60-12,617.40-2,568.20

Finding the Fourth Proportional to 8,411.60, 12,617.40 and 2,568.20

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Solution

The fourth proportional to 8,411.60, 12,617.40 and 2,568.20 is: 3,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.60 : 12,617.40 = 2,568.20 : x
  2. Step 2: Convert to fraction form
    8,411.60/12,617.40 = 2,568.20/x
  3. Step 3: Cross multiply
    8,411.60x = 12,617.40 × 2,568.20
  4. Step 4: Simplify right side
    8,411.60x = 32,404,006.68
  5. Step 5: Solve for x
    x = 32,404,006.68/8,411.60
  6. Step 6: Final answer
    x = 3,852.30

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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.