Home / 5,211.60-7,818.26-1,700.60

Finding the Fourth Proportional to 5,211.60, 7,818.26 and 1,700.60

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Solution

The fourth proportional to 5,211.60, 7,818.26 and 1,700.60 is: 2,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.60 : 7,818.26 = 1,700.60 : x
  2. Step 2: Convert to fraction form
    5,211.60/7,818.26 = 1,700.60/x
  3. Step 3: Cross multiply
    5,211.60x = 7,818.26 × 1,700.60
  4. Step 4: Simplify right side
    5,211.60x = 13,295,732.96
  5. Step 5: Solve for x
    x = 13,295,732.96/5,211.60
  6. Step 6: Final answer
    x = 2,551.18

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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.