Home / 7,210.72-10,816.17-2,530.54

Finding the Fourth Proportional to 7,210.72, 10,816.17 and 2,530.54

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Solution

The fourth proportional to 7,210.72, 10,816.17 and 2,530.54 is: 3,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.72 : 10,816.17 = 2,530.54 : x
  2. Step 2: Convert to fraction form
    7,210.72/10,816.17 = 2,530.54/x
  3. Step 3: Cross multiply
    7,210.72x = 10,816.17 × 2,530.54
  4. Step 4: Simplify right side
    7,210.72x = 27,370,750.83
  5. Step 5: Solve for x
    x = 27,370,750.83/7,210.72
  6. Step 6: Final answer
    x = 3,795.84

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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.