Home / 7,429.74-10,252.62-4,071.89

Finding the Fourth Proportional to 7,429.74, 10,252.62 and 4,071.89

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Solution

The fourth proportional to 7,429.74, 10,252.62 and 4,071.89 is: 5,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.74 : 10,252.62 = 4,071.89 : x
  2. Step 2: Convert to fraction form
    7,429.74/10,252.62 = 4,071.89/x
  3. Step 3: Cross multiply
    7,429.74x = 10,252.62 × 4,071.89
  4. Step 4: Simplify right side
    7,429.74x = 41,747,489.59
  5. Step 5: Solve for x
    x = 41,747,489.59/7,429.74
  6. Step 6: Final answer
    x = 5,618.97

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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.