Home / 5,079.16-7,005.18-3,212.92

Finding the Fourth Proportional to 5,079.16, 7,005.18 and 3,212.92

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Solution

The fourth proportional to 5,079.16, 7,005.18 and 3,212.92 is: 4,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.16 : 7,005.18 = 3,212.92 : x
  2. Step 2: Convert to fraction form
    5,079.16/7,005.18 = 3,212.92/x
  3. Step 3: Cross multiply
    5,079.16x = 7,005.18 × 3,212.92
  4. Step 4: Simplify right side
    5,079.16x = 22,507,082.93
  5. Step 5: Solve for x
    x = 22,507,082.93/5,079.16
  6. Step 6: Final answer
    x = 4,431.26

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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.