Home / 5,192.64-7,168.04-3,421.16

Finding the Fourth Proportional to 5,192.64, 7,168.04 and 3,421.16

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Solution

The fourth proportional to 5,192.64, 7,168.04 and 3,421.16 is: 4,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.64 : 7,168.04 = 3,421.16 : x
  2. Step 2: Convert to fraction form
    5,192.64/7,168.04 = 3,421.16/x
  3. Step 3: Cross multiply
    5,192.64x = 7,168.04 × 3,421.16
  4. Step 4: Simplify right side
    5,192.64x = 24,523,011.73
  5. Step 5: Solve for x
    x = 24,523,011.73/5,192.64
  6. Step 6: Final answer
    x = 4,722.65

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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.