Home / 7,155.24-10,732.89-2,535

Finding the Fourth Proportional to 7,155.24, 10,732.89 and 2,535

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Solution

The fourth proportional to 7,155.24, 10,732.89 and 2,535 is: 3,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.24 : 10,732.89 = 2,535 : x
  2. Step 2: Convert to fraction form
    7,155.24/10,732.89 = 2,535/x
  3. Step 3: Cross multiply
    7,155.24x = 10,732.89 × 2,535
  4. Step 4: Simplify right side
    7,155.24x = 27,207,876.15
  5. Step 5: Solve for x
    x = 27,207,876.15/7,155.24
  6. Step 6: Final answer
    x = 3,802.51

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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.