Home / 7,839.94-10,819.20-4,303.08

Finding the Fourth Proportional to 7,839.94, 10,819.20 and 4,303.08

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Solution

The fourth proportional to 7,839.94, 10,819.20 and 4,303.08 is: 5,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.94 : 10,819.20 = 4,303.08 : x
  2. Step 2: Convert to fraction form
    7,839.94/10,819.20 = 4,303.08/x
  3. Step 3: Cross multiply
    7,839.94x = 10,819.20 × 4,303.08
  4. Step 4: Simplify right side
    7,839.94x = 46,555,829.04
  5. Step 5: Solve for x
    x = 46,555,829.04/7,839.94
  6. Step 6: Final answer
    x = 5,938.29

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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.