Home / 5,150.61-7,106.16-2,912.26

Finding the Fourth Proportional to 5,150.61, 7,106.16 and 2,912.26

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Solution

The fourth proportional to 5,150.61, 7,106.16 and 2,912.26 is: 4,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.61 : 7,106.16 = 2,912.26 : x
  2. Step 2: Convert to fraction form
    5,150.61/7,106.16 = 2,912.26/x
  3. Step 3: Cross multiply
    5,150.61x = 7,106.16 × 2,912.26
  4. Step 4: Simplify right side
    5,150.61x = 20,694,985.52
  5. Step 5: Solve for x
    x = 20,694,985.52/5,150.61
  6. Step 6: Final answer
    x = 4,017.97

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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.