Home / 4,727.60-7,092.46-1,440.95

Finding the Fourth Proportional to 4,727.60, 7,092.46 and 1,440.95

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Solution

The fourth proportional to 4,727.60, 7,092.46 and 1,440.95 is: 2,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.60 : 7,092.46 = 1,440.95 : x
  2. Step 2: Convert to fraction form
    4,727.60/7,092.46 = 1,440.95/x
  3. Step 3: Cross multiply
    4,727.60x = 7,092.46 × 1,440.95
  4. Step 4: Simplify right side
    4,727.60x = 10,219,891.89
  5. Step 5: Solve for x
    x = 10,219,891.89/4,727.60
  6. Step 6: Final answer
    x = 2,161.75

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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.