Home / 8,247.29-11,381.72-4,711.23

Finding the Fourth Proportional to 8,247.29, 11,381.72 and 4,711.23

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Solution

The fourth proportional to 8,247.29, 11,381.72 and 4,711.23 is: 6,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.29 : 11,381.72 = 4,711.23 : x
  2. Step 2: Convert to fraction form
    8,247.29/11,381.72 = 4,711.23/x
  3. Step 3: Cross multiply
    8,247.29x = 11,381.72 × 4,711.23
  4. Step 4: Simplify right side
    8,247.29x = 53,621,877.16
  5. Step 5: Solve for x
    x = 53,621,877.16/8,247.29
  6. Step 6: Final answer
    x = 6,501.76

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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.