Home / 6,516.30-9,772.02-2,619.39

Finding the Fourth Proportional to 6,516.30, 9,772.02 and 2,619.39

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Solution

The fourth proportional to 6,516.30, 9,772.02 and 2,619.39 is: 3,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.30 : 9,772.02 = 2,619.39 : x
  2. Step 2: Convert to fraction form
    6,516.30/9,772.02 = 2,619.39/x
  3. Step 3: Cross multiply
    6,516.30x = 9,772.02 × 2,619.39
  4. Step 4: Simplify right side
    6,516.30x = 25,596,731.47
  5. Step 5: Solve for x
    x = 25,596,731.47/6,516.30
  6. Step 6: Final answer
    x = 3,928.11

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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.