Home / 7,510.42-11,270.24-3,815.30

Finding the Fourth Proportional to 7,510.42, 11,270.24 and 3,815.30

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Solution

The fourth proportional to 7,510.42, 11,270.24 and 3,815.30 is: 5,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.42 : 11,270.24 = 3,815.30 : x
  2. Step 2: Convert to fraction form
    7,510.42/11,270.24 = 3,815.30/x
  3. Step 3: Cross multiply
    7,510.42x = 11,270.24 × 3,815.30
  4. Step 4: Simplify right side
    7,510.42x = 42,999,370.08
  5. Step 5: Solve for x
    x = 42,999,370.08/7,510.42
  6. Step 6: Final answer
    x = 5,725.29

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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.