Home / 7,738.08-10,679.07-4,380.93

Finding the Fourth Proportional to 7,738.08, 10,679.07 and 4,380.93

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Solution

The fourth proportional to 7,738.08, 10,679.07 and 4,380.93 is: 6,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.08 : 10,679.07 = 4,380.93 : x
  2. Step 2: Convert to fraction form
    7,738.08/10,679.07 = 4,380.93/x
  3. Step 3: Cross multiply
    7,738.08x = 10,679.07 × 4,380.93
  4. Step 4: Simplify right side
    7,738.08x = 46,784,258.14
  5. Step 5: Solve for x
    x = 46,784,258.14/7,738.08
  6. Step 6: Final answer
    x = 6,045.98

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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.