Home / 6,388.02-9,578.25-2,487.87

Finding the Fourth Proportional to 6,388.02, 9,578.25 and 2,487.87

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Solution

The fourth proportional to 6,388.02, 9,578.25 and 2,487.87 is: 3,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.02 : 9,578.25 = 2,487.87 : x
  2. Step 2: Convert to fraction form
    6,388.02/9,578.25 = 2,487.87/x
  3. Step 3: Cross multiply
    6,388.02x = 9,578.25 × 2,487.87
  4. Step 4: Simplify right side
    6,388.02x = 23,829,440.83
  5. Step 5: Solve for x
    x = 23,829,440.83/6,388.02
  6. Step 6: Final answer
    x = 3,730.33

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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.