Home / 7,608.16-11,407.35-3,168.90

Finding the Fourth Proportional to 7,608.16, 11,407.35 and 3,168.90

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Solution

The fourth proportional to 7,608.16, 11,407.35 and 3,168.90 is: 4,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.16 : 11,407.35 = 3,168.90 : x
  2. Step 2: Convert to fraction form
    7,608.16/11,407.35 = 3,168.90/x
  3. Step 3: Cross multiply
    7,608.16x = 11,407.35 × 3,168.90
  4. Step 4: Simplify right side
    7,608.16x = 36,148,751.42
  5. Step 5: Solve for x
    x = 36,148,751.42/7,608.16
  6. Step 6: Final answer
    x = 4,751.31

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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.