Home / 6,578.40-9,860.28-3,288.48

Finding the Fourth Proportional to 6,578.40, 9,860.28 and 3,288.48

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Solution

The fourth proportional to 6,578.40, 9,860.28 and 3,288.48 is: 4,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.40 : 9,860.28 = 3,288.48 : x
  2. Step 2: Convert to fraction form
    6,578.40/9,860.28 = 3,288.48/x
  3. Step 3: Cross multiply
    6,578.40x = 9,860.28 × 3,288.48
  4. Step 4: Simplify right side
    6,578.40x = 32,425,333.57
  5. Step 5: Solve for x
    x = 32,425,333.57/6,578.40
  6. Step 6: Final answer
    x = 4,929.06

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1.5x scale

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.