Home / 5,213.87-7,818.24-2,439.08

Finding the Fourth Proportional to 5,213.87, 7,818.24 and 2,439.08

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Solution

The fourth proportional to 5,213.87, 7,818.24 and 2,439.08 is: 3,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.87 : 7,818.24 = 2,439.08 : x
  2. Step 2: Convert to fraction form
    5,213.87/7,818.24 = 2,439.08/x
  3. Step 3: Cross multiply
    5,213.87x = 7,818.24 × 2,439.08
  4. Step 4: Simplify right side
    5,213.87x = 19,069,312.82
  5. Step 5: Solve for x
    x = 19,069,312.82/5,213.87
  6. Step 6: Final answer
    x = 3,657.42

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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.