Home / 7,892.20-11,827.02-5,795.76

Finding the Fourth Proportional to 7,892.20, 11,827.02 and 5,795.76

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Solution

The fourth proportional to 7,892.20, 11,827.02 and 5,795.76 is: 8,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.20 : 11,827.02 = 5,795.76 : x
  2. Step 2: Convert to fraction form
    7,892.20/11,827.02 = 5,795.76/x
  3. Step 3: Cross multiply
    7,892.20x = 11,827.02 × 5,795.76
  4. Step 4: Simplify right side
    7,892.20x = 68,546,569.44
  5. Step 5: Solve for x
    x = 68,546,569.44/7,892.20
  6. Step 6: Final answer
    x = 8,685.36

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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.