Home / 7,788.65-10,748.36-4,251.92

Finding the Fourth Proportional to 7,788.65, 10,748.36 and 4,251.92

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Solution

The fourth proportional to 7,788.65, 10,748.36 and 4,251.92 is: 5,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.65 : 10,748.36 = 4,251.92 : x
  2. Step 2: Convert to fraction form
    7,788.65/10,748.36 = 4,251.92/x
  3. Step 3: Cross multiply
    7,788.65x = 10,748.36 × 4,251.92
  4. Step 4: Simplify right side
    7,788.65x = 45,701,123.74
  5. Step 5: Solve for x
    x = 45,701,123.74/7,788.65
  6. Step 6: Final answer
    x = 5,867.66

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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.