Home / 7,398.99-10,212.89-4,257.27

Finding the Fourth Proportional to 7,398.99, 10,212.89 and 4,257.27

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Solution

The fourth proportional to 7,398.99, 10,212.89 and 4,257.27 is: 5,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.99 : 10,212.89 = 4,257.27 : x
  2. Step 2: Convert to fraction form
    7,398.99/10,212.89 = 4,257.27/x
  3. Step 3: Cross multiply
    7,398.99x = 10,212.89 × 4,257.27
  4. Step 4: Simplify right side
    7,398.99x = 43,479,008.92
  5. Step 5: Solve for x
    x = 43,479,008.92/7,398.99
  6. Step 6: Final answer
    x = 5,876.34

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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.