Home / 7,213.19-10,812.02-3,507.66

Finding the Fourth Proportional to 7,213.19, 10,812.02 and 3,507.66

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Solution

The fourth proportional to 7,213.19, 10,812.02 and 3,507.66 is: 5,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.19 : 10,812.02 = 3,507.66 : x
  2. Step 2: Convert to fraction form
    7,213.19/10,812.02 = 3,507.66/x
  3. Step 3: Cross multiply
    7,213.19x = 10,812.02 × 3,507.66
  4. Step 4: Simplify right side
    7,213.19x = 37,924,872.53
  5. Step 5: Solve for x
    x = 37,924,872.53/7,213.19
  6. Step 6: Final answer
    x = 5,257.72

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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.