Home / 7,839.28-10,817.49-4,481.99

Finding the Fourth Proportional to 7,839.28, 10,817.49 and 4,481.99

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Solution

The fourth proportional to 7,839.28, 10,817.49 and 4,481.99 is: 6,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.28 : 10,817.49 = 4,481.99 : x
  2. Step 2: Convert to fraction form
    7,839.28/10,817.49 = 4,481.99/x
  3. Step 3: Cross multiply
    7,839.28x = 10,817.49 × 4,481.99
  4. Step 4: Simplify right side
    7,839.28x = 48,483,882.01
  5. Step 5: Solve for x
    x = 48,483,882.01/7,839.28
  6. Step 6: Final answer
    x = 6,184.74

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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.