Home / 9,170.90-13,751.19-2,929.45

Finding the Fourth Proportional to 9,170.90, 13,751.19 and 2,929.45

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Solution

The fourth proportional to 9,170.90, 13,751.19 and 2,929.45 is: 4,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.90 : 13,751.19 = 2,929.45 : x
  2. Step 2: Convert to fraction form
    9,170.90/13,751.19 = 2,929.45/x
  3. Step 3: Cross multiply
    9,170.90x = 13,751.19 × 2,929.45
  4. Step 4: Simplify right side
    9,170.90x = 40,283,389.17
  5. Step 5: Solve for x
    x = 40,283,389.17/9,170.90
  6. Step 6: Final answer
    x = 4,392.52

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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.