Home / 8,712.90-13,063.68-4,820.04

Finding the Fourth Proportional to 8,712.90, 13,063.68 and 4,820.04

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Solution

The fourth proportional to 8,712.90, 13,063.68 and 4,820.04 is: 7,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.90 : 13,063.68 = 4,820.04 : x
  2. Step 2: Convert to fraction form
    8,712.90/13,063.68 = 4,820.04/x
  3. Step 3: Cross multiply
    8,712.90x = 13,063.68 × 4,820.04
  4. Step 4: Simplify right side
    8,712.90x = 62,967,460.15
  5. Step 5: Solve for x
    x = 62,967,460.15/8,712.90
  6. Step 6: Final answer
    x = 7,226.92

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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.