Home / 7,423.30-11,135.28-4,133.90

Finding the Fourth Proportional to 7,423.30, 11,135.28 and 4,133.90

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Solution

The fourth proportional to 7,423.30, 11,135.28 and 4,133.90 is: 6,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.30 : 11,135.28 = 4,133.90 : x
  2. Step 2: Convert to fraction form
    7,423.30/11,135.28 = 4,133.90/x
  3. Step 3: Cross multiply
    7,423.30x = 11,135.28 × 4,133.90
  4. Step 4: Simplify right side
    7,423.30x = 46,032,133.99
  5. Step 5: Solve for x
    x = 46,032,133.99/7,423.30
  6. Step 6: Final answer
    x = 6,201.03

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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.