Home / 8,360.16-12,531.36-2,808.48

Finding the Fourth Proportional to 8,360.16, 12,531.36 and 2,808.48

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Solution

The fourth proportional to 8,360.16, 12,531.36 and 2,808.48 is: 4,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.16 : 12,531.36 = 2,808.48 : x
  2. Step 2: Convert to fraction form
    8,360.16/12,531.36 = 2,808.48/x
  3. Step 3: Cross multiply
    8,360.16x = 12,531.36 × 2,808.48
  4. Step 4: Simplify right side
    8,360.16x = 35,194,073.93
  5. Step 5: Solve for x
    x = 35,194,073.93/8,360.16
  6. Step 6: Final answer
    x = 4,209.74

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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.