Home / 7,381.29-11,074.83-4,259.66

Finding the Fourth Proportional to 7,381.29, 11,074.83 and 4,259.66

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Solution

The fourth proportional to 7,381.29, 11,074.83 and 4,259.66 is: 6,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.29 : 11,074.83 = 4,259.66 : x
  2. Step 2: Convert to fraction form
    7,381.29/11,074.83 = 4,259.66/x
  3. Step 3: Cross multiply
    7,381.29x = 11,074.83 × 4,259.66
  4. Step 4: Simplify right side
    7,381.29x = 47,174,939.01
  5. Step 5: Solve for x
    x = 47,174,939.01/7,381.29
  6. Step 6: Final answer
    x = 6,391.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.