Home / 8,923.30-12,314.91-4,945.66

Finding the Fourth Proportional to 8,923.30, 12,314.91 and 4,945.66

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Solution

The fourth proportional to 8,923.30, 12,314.91 and 4,945.66 is: 6,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.30 : 12,314.91 = 4,945.66 : x
  2. Step 2: Convert to fraction form
    8,923.30/12,314.91 = 4,945.66/x
  3. Step 3: Cross multiply
    8,923.30x = 12,314.91 × 4,945.66
  4. Step 4: Simplify right side
    8,923.30x = 60,905,357.79
  5. Step 5: Solve for x
    x = 60,905,357.79/8,923.30
  6. Step 6: Final answer
    x = 6,825.43

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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.