Home / 7,343.54-10,134.78-4,199.12

Finding the Fourth Proportional to 7,343.54, 10,134.78 and 4,199.12

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Solution

The fourth proportional to 7,343.54, 10,134.78 and 4,199.12 is: 5,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.54 : 10,134.78 = 4,199.12 : x
  2. Step 2: Convert to fraction form
    7,343.54/10,134.78 = 4,199.12/x
  3. Step 3: Cross multiply
    7,343.54x = 10,134.78 × 4,199.12
  4. Step 4: Simplify right side
    7,343.54x = 42,557,157.39
  5. Step 5: Solve for x
    x = 42,557,157.39/7,343.54
  6. Step 6: Final answer
    x = 5,795.18

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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.