Home / 8,247.32-11,381.94-4,711.64

Finding the Fourth Proportional to 8,247.32, 11,381.94 and 4,711.64

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Solution

The fourth proportional to 8,247.32, 11,381.94 and 4,711.64 is: 6,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.32 : 11,381.94 = 4,711.64 : x
  2. Step 2: Convert to fraction form
    8,247.32/11,381.94 = 4,711.64/x
  3. Step 3: Cross multiply
    8,247.32x = 11,381.94 × 4,711.64
  4. Step 4: Simplify right side
    8,247.32x = 53,627,603.78
  5. Step 5: Solve for x
    x = 53,627,603.78/8,247.32
  6. Step 6: Final answer
    x = 6,502.43

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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.