Home / 6,389.16-9,583.51-2,229.15

Finding the Fourth Proportional to 6,389.16, 9,583.51 and 2,229.15

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Solution

The fourth proportional to 6,389.16, 9,583.51 and 2,229.15 is: 3,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.16 : 9,583.51 = 2,229.15 : x
  2. Step 2: Convert to fraction form
    6,389.16/9,583.51 = 2,229.15/x
  3. Step 3: Cross multiply
    6,389.16x = 9,583.51 × 2,229.15
  4. Step 4: Simplify right side
    6,389.16x = 21,363,081.32
  5. Step 5: Solve for x
    x = 21,363,081.32/6,389.16
  6. Step 6: Final answer
    x = 3,343.64

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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.