Home / 7,738.39-10,679.19-4,551.92

Finding the Fourth Proportional to 7,738.39, 10,679.19 and 4,551.92

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Solution

The fourth proportional to 7,738.39, 10,679.19 and 4,551.92 is: 6,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.39 : 10,679.19 = 4,551.92 : x
  2. Step 2: Convert to fraction form
    7,738.39/10,679.19 = 4,551.92/x
  3. Step 3: Cross multiply
    7,738.39x = 10,679.19 × 4,551.92
  4. Step 4: Simplify right side
    7,738.39x = 48,610,765.15
  5. Step 5: Solve for x
    x = 48,610,765.15/7,738.39
  6. Step 6: Final answer
    x = 6,281.77

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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.