Home / 7,474.76-11,211.36-3,314.84

Finding the Fourth Proportional to 7,474.76, 11,211.36 and 3,314.84

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Solution

The fourth proportional to 7,474.76, 11,211.36 and 3,314.84 is: 4,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.76 : 11,211.36 = 3,314.84 : x
  2. Step 2: Convert to fraction form
    7,474.76/11,211.36 = 3,314.84/x
  3. Step 3: Cross multiply
    7,474.76x = 11,211.36 × 3,314.84
  4. Step 4: Simplify right side
    7,474.76x = 37,163,864.58
  5. Step 5: Solve for x
    x = 37,163,864.58/7,474.76
  6. Step 6: Final answer
    x = 4,971.91

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1.5x scale

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.