Home / 7,489.53-11,211.21-4,706.91

Finding the Fourth Proportional to 7,489.53, 11,211.21 and 4,706.91

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Solution

The fourth proportional to 7,489.53, 11,211.21 and 4,706.91 is: 7,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.53 : 11,211.21 = 4,706.91 : x
  2. Step 2: Convert to fraction form
    7,489.53/11,211.21 = 4,706.91/x
  3. Step 3: Cross multiply
    7,489.53x = 11,211.21 × 4,706.91
  4. Step 4: Simplify right side
    7,489.53x = 52,770,156.46
  5. Step 5: Solve for x
    x = 52,770,156.46/7,489.53
  6. Step 6: Final answer
    x = 7,045.86

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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.