Home / 8,820.58-12,172.56-4,842.06

Finding the Fourth Proportional to 8,820.58, 12,172.56 and 4,842.06

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Solution

The fourth proportional to 8,820.58, 12,172.56 and 4,842.06 is: 6,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.58 : 12,172.56 = 4,842.06 : x
  2. Step 2: Convert to fraction form
    8,820.58/12,172.56 = 4,842.06/x
  3. Step 3: Cross multiply
    8,820.58x = 12,172.56 × 4,842.06
  4. Step 4: Simplify right side
    8,820.58x = 58,940,265.87
  5. Step 5: Solve for x
    x = 58,940,265.87/8,820.58
  6. Step 6: Final answer
    x = 6,682.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.