Home / 5,212.35-7,818.12-2,438.30

Finding the Fourth Proportional to 5,212.35, 7,818.12 and 2,438.30

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Solution

The fourth proportional to 5,212.35, 7,818.12 and 2,438.30 is: 3,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.35 : 7,818.12 = 2,438.30 : x
  2. Step 2: Convert to fraction form
    5,212.35/7,818.12 = 2,438.30/x
  3. Step 3: Cross multiply
    5,212.35x = 7,818.12 × 2,438.30
  4. Step 4: Simplify right side
    5,212.35x = 19,062,941.54
  5. Step 5: Solve for x
    x = 19,062,941.54/5,212.35
  6. Step 6: Final answer
    x = 3,657.26

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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.