Home / 5,685.58-7,843.40-3,695.41

Finding the Fourth Proportional to 5,685.58, 7,843.40 and 3,695.41

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Solution

The fourth proportional to 5,685.58, 7,843.40 and 3,695.41 is: 5,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.58 : 7,843.40 = 3,695.41 : x
  2. Step 2: Convert to fraction form
    5,685.58/7,843.40 = 3,695.41/x
  3. Step 3: Cross multiply
    5,685.58x = 7,843.40 × 3,695.41
  4. Step 4: Simplify right side
    5,685.58x = 28,984,560.65
  5. Step 5: Solve for x
    x = 28,984,560.65/5,685.58
  6. Step 6: Final answer
    x = 5,097.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.