Home / 7,028.70-10,547.10-2,649.30

Finding the Fourth Proportional to 7,028.70, 10,547.10 and 2,649.30

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Solution

The fourth proportional to 7,028.70, 10,547.10 and 2,649.30 is: 3,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.70 : 10,547.10 = 2,649.30 : x
  2. Step 2: Convert to fraction form
    7,028.70/10,547.10 = 2,649.30/x
  3. Step 3: Cross multiply
    7,028.70x = 10,547.10 × 2,649.30
  4. Step 4: Simplify right side
    7,028.70x = 27,942,432.03
  5. Step 5: Solve for x
    x = 27,942,432.03/7,028.70
  6. Step 6: Final answer
    x = 3,975.48

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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.