Home / 8,512.17-12,776.16-4,355.16

Finding the Fourth Proportional to 8,512.17, 12,776.16 and 4,355.16

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Solution

The fourth proportional to 8,512.17, 12,776.16 and 4,355.16 is: 6,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.17 : 12,776.16 = 4,355.16 : x
  2. Step 2: Convert to fraction form
    8,512.17/12,776.16 = 4,355.16/x
  3. Step 3: Cross multiply
    8,512.17x = 12,776.16 × 4,355.16
  4. Step 4: Simplify right side
    8,512.17x = 55,642,135.33
  5. Step 5: Solve for x
    x = 55,642,135.33/8,512.17
  6. Step 6: Final answer
    x = 6,536.77

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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.