Home / 6,389.19-9,583.80-2,006.70

Finding the Fourth Proportional to 6,389.19, 9,583.80 and 2,006.70

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Solution

The fourth proportional to 6,389.19, 9,583.80 and 2,006.70 is: 3,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.19 : 9,583.80 = 2,006.70 : x
  2. Step 2: Convert to fraction form
    6,389.19/9,583.80 = 2,006.70/x
  3. Step 3: Cross multiply
    6,389.19x = 9,583.80 × 2,006.70
  4. Step 4: Simplify right side
    6,389.19x = 19,231,811.46
  5. Step 5: Solve for x
    x = 19,231,811.46/6,389.19
  6. Step 6: Final answer
    x = 3,010.05

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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.