Home / 6,391.02-9,582.75-2,490.87

Finding the Fourth Proportional to 6,391.02, 9,582.75 and 2,490.87

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Solution

The fourth proportional to 6,391.02, 9,582.75 and 2,490.87 is: 3,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.02 : 9,582.75 = 2,490.87 : x
  2. Step 2: Convert to fraction form
    6,391.02/9,582.75 = 2,490.87/x
  3. Step 3: Cross multiply
    6,391.02x = 9,582.75 × 2,490.87
  4. Step 4: Simplify right side
    6,391.02x = 23,869,384.49
  5. Step 5: Solve for x
    x = 23,869,384.49/6,391.02
  6. Step 6: Final answer
    x = 3,734.83

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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.