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Finding the Fourth Proportional to 5,071.36, 7,610.88 and 3,706.88

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Solution

The fourth proportional to 5,071.36, 7,610.88 and 3,706.88 is: 5,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.36 : 7,610.88 = 3,706.88 : x
  2. Step 2: Convert to fraction form
    5,071.36/7,610.88 = 3,706.88/x
  3. Step 3: Cross multiply
    5,071.36x = 7,610.88 × 3,706.88
  4. Step 4: Simplify right side
    5,071.36x = 28,212,618.85
  5. Step 5: Solve for x
    x = 28,212,618.85/5,071.36
  6. Step 6: Final answer
    x = 5,563.13

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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.