Home / 7,287.62-10,054.40-4,100.27

Finding the Fourth Proportional to 7,287.62, 10,054.40 and 4,100.27

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Solution

The fourth proportional to 7,287.62, 10,054.40 and 4,100.27 is: 5,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.62 : 10,054.40 = 4,100.27 : x
  2. Step 2: Convert to fraction form
    7,287.62/10,054.40 = 4,100.27/x
  3. Step 3: Cross multiply
    7,287.62x = 10,054.40 × 4,100.27
  4. Step 4: Simplify right side
    7,287.62x = 41,225,683.91
  5. Step 5: Solve for x
    x = 41,225,683.91/7,287.62
  6. Step 6: Final answer
    x = 5,656.95

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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.