Home / 9,070.93-13,608.09-3,147.55

Finding the Fourth Proportional to 9,070.93, 13,608.09 and 3,147.55

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Solution

The fourth proportional to 9,070.93, 13,608.09 and 3,147.55 is: 4,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.93 : 13,608.09 = 3,147.55 : x
  2. Step 2: Convert to fraction form
    9,070.93/13,608.09 = 3,147.55/x
  3. Step 3: Cross multiply
    9,070.93x = 13,608.09 × 3,147.55
  4. Step 4: Simplify right side
    9,070.93x = 42,832,143.68
  5. Step 5: Solve for x
    x = 42,832,143.68/9,070.93
  6. Step 6: Final answer
    x = 4,721.91

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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.