Home / 7,353.02-11,023.32-3,189.89

Finding the Fourth Proportional to 7,353.02, 11,023.32 and 3,189.89

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Solution

The fourth proportional to 7,353.02, 11,023.32 and 3,189.89 is: 4,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.02 : 11,023.32 = 3,189.89 : x
  2. Step 2: Convert to fraction form
    7,353.02/11,023.32 = 3,189.89/x
  3. Step 3: Cross multiply
    7,353.02x = 11,023.32 × 3,189.89
  4. Step 4: Simplify right side
    7,353.02x = 35,163,123.12
  5. Step 5: Solve for x
    x = 35,163,123.12/7,353.02
  6. Step 6: Final answer
    x = 4,782.14

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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.