Home / 7,800.38-11,693.61-2,868.83

Finding the Fourth Proportional to 7,800.38, 11,693.61 and 2,868.83

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Solution

The fourth proportional to 7,800.38, 11,693.61 and 2,868.83 is: 4,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.38 : 11,693.61 = 2,868.83 : x
  2. Step 2: Convert to fraction form
    7,800.38/11,693.61 = 2,868.83/x
  3. Step 3: Cross multiply
    7,800.38x = 11,693.61 × 2,868.83
  4. Step 4: Simplify right side
    7,800.38x = 33,546,920.71
  5. Step 5: Solve for x
    x = 33,546,920.71/7,800.38
  6. Step 6: Final answer
    x = 4,300.68

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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.