Home / 7,490.71-11,238.47-3,595.39

Finding the Fourth Proportional to 7,490.71, 11,238.47 and 3,595.39

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Solution

The fourth proportional to 7,490.71, 11,238.47 and 3,595.39 is: 5,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.71 : 11,238.47 = 3,595.39 : x
  2. Step 2: Convert to fraction form
    7,490.71/11,238.47 = 3,595.39/x
  3. Step 3: Cross multiply
    7,490.71x = 11,238.47 × 3,595.39
  4. Step 4: Simplify right side
    7,490.71x = 40,406,664.68
  5. Step 5: Solve for x
    x = 40,406,664.68/7,490.71
  6. Step 6: Final answer
    x = 5,394.24

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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.