Home / 9,291.36-13,919.22-5,770.92

Finding the Fourth Proportional to 9,291.36, 13,919.22 and 5,770.92

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Solution

The fourth proportional to 9,291.36, 13,919.22 and 5,770.92 is: 8,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.36 : 13,919.22 = 5,770.92 : x
  2. Step 2: Convert to fraction form
    9,291.36/13,919.22 = 5,770.92/x
  3. Step 3: Cross multiply
    9,291.36x = 13,919.22 × 5,770.92
  4. Step 4: Simplify right side
    9,291.36x = 80,326,705.08
  5. Step 5: Solve for x
    x = 80,326,705.08/9,291.36
  6. Step 6: Final answer
    x = 8,645.31

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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.