Home / 9,319.19-13,965.66-4,634.78

Finding the Fourth Proportional to 9,319.19, 13,965.66 and 4,634.78

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Solution

The fourth proportional to 9,319.19, 13,965.66 and 4,634.78 is: 6,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.19 : 13,965.66 = 4,634.78 : x
  2. Step 2: Convert to fraction form
    9,319.19/13,965.66 = 4,634.78/x
  3. Step 3: Cross multiply
    9,319.19x = 13,965.66 × 4,634.78
  4. Step 4: Simplify right side
    9,319.19x = 64,727,691.83
  5. Step 5: Solve for x
    x = 64,727,691.83/9,319.19
  6. Step 6: Final answer
    x = 6,945.64

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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.