Home / 6,389.31-9,589.47-2,496.45

Finding the Fourth Proportional to 6,389.31, 9,589.47 and 2,496.45

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Solution

The fourth proportional to 6,389.31, 9,589.47 and 2,496.45 is: 3,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.31 : 9,589.47 = 2,496.45 : x
  2. Step 2: Convert to fraction form
    6,389.31/9,589.47 = 2,496.45/x
  3. Step 3: Cross multiply
    6,389.31x = 9,589.47 × 2,496.45
  4. Step 4: Simplify right side
    6,389.31x = 23,939,619.90
  5. Step 5: Solve for x
    x = 23,939,619.90/6,389.31
  6. Step 6: Final answer
    x = 3,746.82

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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.