Home / 9,170.79-13,758.03-2,930.61

Finding the Fourth Proportional to 9,170.79, 13,758.03 and 2,930.61

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Solution

The fourth proportional to 9,170.79, 13,758.03 and 2,930.61 is: 4,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.79 : 13,758.03 = 2,930.61 : x
  2. Step 2: Convert to fraction form
    9,170.79/13,758.03 = 2,930.61/x
  3. Step 3: Cross multiply
    9,170.79x = 13,758.03 × 2,930.61
  4. Step 4: Simplify right side
    9,170.79x = 40,319,420.30
  5. Step 5: Solve for x
    x = 40,319,420.30/9,170.79
  6. Step 6: Final answer
    x = 4,396.50

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1.5x scale

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.