Home / 7,238.16-10,853.40-3,541.04

Finding the Fourth Proportional to 7,238.16, 10,853.40 and 3,541.04

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Solution

The fourth proportional to 7,238.16, 10,853.40 and 3,541.04 is: 5,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.16 : 10,853.40 = 3,541.04 : x
  2. Step 2: Convert to fraction form
    7,238.16/10,853.40 = 3,541.04/x
  3. Step 3: Cross multiply
    7,238.16x = 10,853.40 × 3,541.04
  4. Step 4: Simplify right side
    7,238.16x = 38,432,323.54
  5. Step 5: Solve for x
    x = 38,432,323.54/7,238.16
  6. Step 6: Final answer
    x = 5,309.68

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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.