Home / 7,386.02-11,078.30-2,769.38

Finding the Fourth Proportional to 7,386.02, 11,078.30 and 2,769.38

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Solution

The fourth proportional to 7,386.02, 11,078.30 and 2,769.38 is: 4,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.02 : 11,078.30 = 2,769.38 : x
  2. Step 2: Convert to fraction form
    7,386.02/11,078.30 = 2,769.38/x
  3. Step 3: Cross multiply
    7,386.02x = 11,078.30 × 2,769.38
  4. Step 4: Simplify right side
    7,386.02x = 30,680,022.45
  5. Step 5: Solve for x
    x = 30,680,022.45/7,386.02
  6. Step 6: Final answer
    x = 4,153.80

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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.