Home / 8,820.98-13,230.65-2,977.64

Finding the Fourth Proportional to 8,820.98, 13,230.65 and 2,977.64

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Solution

The fourth proportional to 8,820.98, 13,230.65 and 2,977.64 is: 4,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.98 : 13,230.65 = 2,977.64 : x
  2. Step 2: Convert to fraction form
    8,820.98/13,230.65 = 2,977.64/x
  3. Step 3: Cross multiply
    8,820.98x = 13,230.65 × 2,977.64
  4. Step 4: Simplify right side
    8,820.98x = 39,396,112.67
  5. Step 5: Solve for x
    x = 39,396,112.67/8,820.98
  6. Step 6: Final answer
    x = 4,466.18

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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.