Home / 7,788.85-10,748.57-4,252.10

Finding the Fourth Proportional to 7,788.85, 10,748.57 and 4,252.10

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Solution

The fourth proportional to 7,788.85, 10,748.57 and 4,252.10 is: 5,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.85 : 10,748.57 = 4,252.10 : x
  2. Step 2: Convert to fraction form
    7,788.85/10,748.57 = 4,252.10/x
  3. Step 3: Cross multiply
    7,788.85x = 10,748.57 × 4,252.10
  4. Step 4: Simplify right side
    7,788.85x = 45,703,919.49
  5. Step 5: Solve for x
    x = 45,703,919.49/7,788.85
  6. Step 6: Final answer
    x = 5,867.87

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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.