Home / 7,238.81-10,847.27-5,381.21

Finding the Fourth Proportional to 7,238.81, 10,847.27 and 5,381.21

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Solution

The fourth proportional to 7,238.81, 10,847.27 and 5,381.21 is: 8,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.81 : 10,847.27 = 5,381.21 : x
  2. Step 2: Convert to fraction form
    7,238.81/10,847.27 = 5,381.21/x
  3. Step 3: Cross multiply
    7,238.81x = 10,847.27 × 5,381.21
  4. Step 4: Simplify right side
    7,238.81x = 58,371,397.01
  5. Step 5: Solve for x
    x = 58,371,397.01/7,238.81
  6. Step 6: Final answer
    x = 8,063.68

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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.