Home / 6,454.25-9,690.33-3,336.56

Finding the Fourth Proportional to 6,454.25, 9,690.33 and 3,336.56

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Solution

The fourth proportional to 6,454.25, 9,690.33 and 3,336.56 is: 5,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.25 : 9,690.33 = 3,336.56 : x
  2. Step 2: Convert to fraction form
    6,454.25/9,690.33 = 3,336.56/x
  3. Step 3: Cross multiply
    6,454.25x = 9,690.33 × 3,336.56
  4. Step 4: Simplify right side
    6,454.25x = 32,332,319.01
  5. Step 5: Solve for x
    x = 32,332,319.01/6,454.25
  6. Step 6: Final answer
    x = 5,009.47

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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.