Home / 7,839.72-10,819.08-4,302.99

Finding the Fourth Proportional to 7,839.72, 10,819.08 and 4,302.99

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Solution

The fourth proportional to 7,839.72, 10,819.08 and 4,302.99 is: 5,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.72 : 10,819.08 = 4,302.99 : x
  2. Step 2: Convert to fraction form
    7,839.72/10,819.08 = 4,302.99/x
  3. Step 3: Cross multiply
    7,839.72x = 10,819.08 × 4,302.99
  4. Step 4: Simplify right side
    7,839.72x = 46,554,393.05
  5. Step 5: Solve for x
    x = 46,554,393.05/7,839.72
  6. Step 6: Final answer
    x = 5,938.27

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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.