Home / 9,189.47-13,788.77-3,642.70

Finding the Fourth Proportional to 9,189.47, 13,788.77 and 3,642.70

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Solution

The fourth proportional to 9,189.47, 13,788.77 and 3,642.70 is: 5,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.47 : 13,788.77 = 3,642.70 : x
  2. Step 2: Convert to fraction form
    9,189.47/13,788.77 = 3,642.70/x
  3. Step 3: Cross multiply
    9,189.47x = 13,788.77 × 3,642.70
  4. Step 4: Simplify right side
    9,189.47x = 50,228,352.48
  5. Step 5: Solve for x
    x = 50,228,352.48/9,189.47
  6. Step 6: Final answer
    x = 5,465.86

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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.