Home / 7,861.61-10,849.01-4,324.79

Finding the Fourth Proportional to 7,861.61, 10,849.01 and 4,324.79

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Solution

The fourth proportional to 7,861.61, 10,849.01 and 4,324.79 is: 5,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.61 : 10,849.01 = 4,324.79 : x
  2. Step 2: Convert to fraction form
    7,861.61/10,849.01 = 4,324.79/x
  3. Step 3: Cross multiply
    7,861.61x = 10,849.01 × 4,324.79
  4. Step 4: Simplify right side
    7,861.61x = 46,919,731.95
  5. Step 5: Solve for x
    x = 46,919,731.95/7,861.61
  6. Step 6: Final answer
    x = 5,968.21

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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.