Home / 6,390.02-9,586.20-2,008.70

Finding the Fourth Proportional to 6,390.02, 9,586.20 and 2,008.70

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Solution

The fourth proportional to 6,390.02, 9,586.20 and 2,008.70 is: 3,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.02 : 9,586.20 = 2,008.70 : x
  2. Step 2: Convert to fraction form
    6,390.02/9,586.20 = 2,008.70/x
  3. Step 3: Cross multiply
    6,390.02x = 9,586.20 × 2,008.70
  4. Step 4: Simplify right side
    6,390.02x = 19,255,799.94
  5. Step 5: Solve for x
    x = 19,255,799.94/6,390.02
  6. Step 6: Final answer
    x = 3,013.42

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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.