Home / 7,223.01-10,835.66-2,780.52

Finding the Fourth Proportional to 7,223.01, 10,835.66 and 2,780.52

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Solution

The fourth proportional to 7,223.01, 10,835.66 and 2,780.52 is: 4,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.01 : 10,835.66 = 2,780.52 : x
  2. Step 2: Convert to fraction form
    7,223.01/10,835.66 = 2,780.52/x
  3. Step 3: Cross multiply
    7,223.01x = 10,835.66 × 2,780.52
  4. Step 4: Simplify right side
    7,223.01x = 30,128,769.34
  5. Step 5: Solve for x
    x = 30,128,769.34/7,223.01
  6. Step 6: Final answer
    x = 4,171.22

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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.