Home / 7,788.63-10,748.37-4,251.90

Finding the Fourth Proportional to 7,788.63, 10,748.37 and 4,251.90

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Solution

The fourth proportional to 7,788.63, 10,748.37 and 4,251.90 is: 5,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.63 : 10,748.37 = 4,251.90 : x
  2. Step 2: Convert to fraction form
    7,788.63/10,748.37 = 4,251.90/x
  3. Step 3: Cross multiply
    7,788.63x = 10,748.37 × 4,251.90
  4. Step 4: Simplify right side
    7,788.63x = 45,700,970.04
  5. Step 5: Solve for x
    x = 45,700,970.04/7,788.63
  6. Step 6: Final answer
    x = 5,867.65

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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.