Home / 7,600.15-11,384.43-3,891.16

Finding the Fourth Proportional to 7,600.15, 11,384.43 and 3,891.16

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Solution

The fourth proportional to 7,600.15, 11,384.43 and 3,891.16 is: 5,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.15 : 11,384.43 = 3,891.16 : x
  2. Step 2: Convert to fraction form
    7,600.15/11,384.43 = 3,891.16/x
  3. Step 3: Cross multiply
    7,600.15x = 11,384.43 × 3,891.16
  4. Step 4: Simplify right side
    7,600.15x = 44,298,638.64
  5. Step 5: Solve for x
    x = 44,298,638.64/7,600.15
  6. Step 6: Final answer
    x = 5,828.65

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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.