Home / 4,392.87-6,589.32-1,105.95

Finding the Fourth Proportional to 4,392.87, 6,589.32 and 1,105.95

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Solution

The fourth proportional to 4,392.87, 6,589.32 and 1,105.95 is: 1,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.87 : 6,589.32 = 1,105.95 : x
  2. Step 2: Convert to fraction form
    4,392.87/6,589.32 = 1,105.95/x
  3. Step 3: Cross multiply
    4,392.87x = 6,589.32 × 1,105.95
  4. Step 4: Simplify right side
    4,392.87x = 7,287,458.45
  5. Step 5: Solve for x
    x = 7,287,458.45/4,392.87
  6. Step 6: Final answer
    x = 1,658.93

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Double scale
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Similar ratio
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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.