Home / 7,039.28-10,548.84-3,578.96

Finding the Fourth Proportional to 7,039.28, 10,548.84 and 3,578.96

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Solution

The fourth proportional to 7,039.28, 10,548.84 and 3,578.96 is: 5,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.28 : 10,548.84 = 3,578.96 : x
  2. Step 2: Convert to fraction form
    7,039.28/10,548.84 = 3,578.96/x
  3. Step 3: Cross multiply
    7,039.28x = 10,548.84 × 3,578.96
  4. Step 4: Simplify right side
    7,039.28x = 37,753,876.41
  5. Step 5: Solve for x
    x = 37,753,876.41/7,039.28
  6. Step 6: Final answer
    x = 5,363.32

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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.