Home / 7,839.71-11,765.60-4,555.11

Finding the Fourth Proportional to 7,839.71, 11,765.60 and 4,555.11

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Solution

The fourth proportional to 7,839.71, 11,765.60 and 4,555.11 is: 6,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.71 : 11,765.60 = 4,555.11 : x
  2. Step 2: Convert to fraction form
    7,839.71/11,765.60 = 4,555.11/x
  3. Step 3: Cross multiply
    7,839.71x = 11,765.60 × 4,555.11
  4. Step 4: Simplify right side
    7,839.71x = 53,593,633.17
  5. Step 5: Solve for x
    x = 53,593,633.17/7,839.71
  6. Step 6: Final answer
    x = 6,836.17

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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.