Home / 7,176.21-9,902.03-4,343.10

Finding the Fourth Proportional to 7,176.21, 9,902.03 and 4,343.10

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Solution

The fourth proportional to 7,176.21, 9,902.03 and 4,343.10 is: 5,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.21 : 9,902.03 = 4,343.10 : x
  2. Step 2: Convert to fraction form
    7,176.21/9,902.03 = 4,343.10/x
  3. Step 3: Cross multiply
    7,176.21x = 9,902.03 × 4,343.10
  4. Step 4: Simplify right side
    7,176.21x = 43,005,484.78
  5. Step 5: Solve for x
    x = 43,005,484.78/7,176.21
  6. Step 6: Final answer
    x = 5,992.79

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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.