Home / 7,518.58-11,277.91-1,971.87

Finding the Fourth Proportional to 7,518.58, 11,277.91 and 1,971.87

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Solution

The fourth proportional to 7,518.58, 11,277.91 and 1,971.87 is: 2,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.58 : 11,277.91 = 1,971.87 : x
  2. Step 2: Convert to fraction form
    7,518.58/11,277.91 = 1,971.87/x
  3. Step 3: Cross multiply
    7,518.58x = 11,277.91 × 1,971.87
  4. Step 4: Simplify right side
    7,518.58x = 22,238,572.39
  5. Step 5: Solve for x
    x = 22,238,572.39/7,518.58
  6. Step 6: Final answer
    x = 2,957.82

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Similar ratio
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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.