Home / 9,133.11-13,690.05-3,866.91

Finding the Fourth Proportional to 9,133.11, 13,690.05 and 3,866.91

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Solution

The fourth proportional to 9,133.11, 13,690.05 and 3,866.91 is: 5,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.11 : 13,690.05 = 3,866.91 : x
  2. Step 2: Convert to fraction form
    9,133.11/13,690.05 = 3,866.91/x
  3. Step 3: Cross multiply
    9,133.11x = 13,690.05 × 3,866.91
  4. Step 4: Simplify right side
    9,133.11x = 52,938,191.25
  5. Step 5: Solve for x
    x = 52,938,191.25/9,133.11
  6. Step 6: Final answer
    x = 5,796.29

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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.