Home / 7,028.28-10,547.10-2,645.88

Finding the Fourth Proportional to 7,028.28, 10,547.10 and 2,645.88

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Solution

The fourth proportional to 7,028.28, 10,547.10 and 2,645.88 is: 3,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.28 : 10,547.10 = 2,645.88 : x
  2. Step 2: Convert to fraction form
    7,028.28/10,547.10 = 2,645.88/x
  3. Step 3: Cross multiply
    7,028.28x = 10,547.10 × 2,645.88
  4. Step 4: Simplify right side
    7,028.28x = 27,906,360.95
  5. Step 5: Solve for x
    x = 27,906,360.95/7,028.28
  6. Step 6: Final answer
    x = 3,970.58

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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.