Home / 5,296.23-7,942.32-2,520.78

Finding the Fourth Proportional to 5,296.23, 7,942.32 and 2,520.78

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Solution

The fourth proportional to 5,296.23, 7,942.32 and 2,520.78 is: 3,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.23 : 7,942.32 = 2,520.78 : x
  2. Step 2: Convert to fraction form
    5,296.23/7,942.32 = 2,520.78/x
  3. Step 3: Cross multiply
    5,296.23x = 7,942.32 × 2,520.78
  4. Step 4: Simplify right side
    5,296.23x = 20,020,841.41
  5. Step 5: Solve for x
    x = 20,020,841.41/5,296.23
  6. Step 6: Final answer
    x = 3,780.21

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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.