Home / 5,282.52-7,923.78-1,819.50

Finding the Fourth Proportional to 5,282.52, 7,923.78 and 1,819.50

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Solution

The fourth proportional to 5,282.52, 7,923.78 and 1,819.50 is: 2,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.52 : 7,923.78 = 1,819.50 : x
  2. Step 2: Convert to fraction form
    5,282.52/7,923.78 = 1,819.50/x
  3. Step 3: Cross multiply
    5,282.52x = 7,923.78 × 1,819.50
  4. Step 4: Simplify right side
    5,282.52x = 14,417,317.71
  5. Step 5: Solve for x
    x = 14,417,317.71/5,282.52
  6. Step 6: Final answer
    x = 2,729.25

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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.