Home / 9,189.89-13,782.95-2,614.31

Finding the Fourth Proportional to 9,189.89, 13,782.95 and 2,614.31

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Solution

The fourth proportional to 9,189.89, 13,782.95 and 2,614.31 is: 3,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.89 : 13,782.95 = 2,614.31 : x
  2. Step 2: Convert to fraction form
    9,189.89/13,782.95 = 2,614.31/x
  3. Step 3: Cross multiply
    9,189.89x = 13,782.95 × 2,614.31
  4. Step 4: Simplify right side
    9,189.89x = 36,032,822.03
  5. Step 5: Solve for x
    x = 36,032,822.03/9,189.89
  6. Step 6: Final answer
    x = 3,920.92

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1.5x scale

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.