Home / 8,820.90-12,173.14-4,842.18

Finding the Fourth Proportional to 8,820.90, 12,173.14 and 4,842.18

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Solution

The fourth proportional to 8,820.90, 12,173.14 and 4,842.18 is: 6,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.90 : 12,173.14 = 4,842.18 : x
  2. Step 2: Convert to fraction form
    8,820.90/12,173.14 = 4,842.18/x
  3. Step 3: Cross multiply
    8,820.90x = 12,173.14 × 4,842.18
  4. Step 4: Simplify right side
    8,820.90x = 58,944,535.05
  5. Step 5: Solve for x
    x = 58,944,535.05/8,820.90
  6. Step 6: Final answer
    x = 6,682.37

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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.