Home / 5,049.40-7,578.56-2,711.32

Finding the Fourth Proportional to 5,049.40, 7,578.56 and 2,711.32

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Solution

The fourth proportional to 5,049.40, 7,578.56 and 2,711.32 is: 4,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.40 : 7,578.56 = 2,711.32 : x
  2. Step 2: Convert to fraction form
    5,049.40/7,578.56 = 2,711.32/x
  3. Step 3: Cross multiply
    5,049.40x = 7,578.56 × 2,711.32
  4. Step 4: Simplify right side
    5,049.40x = 20,547,901.30
  5. Step 5: Solve for x
    x = 20,547,901.30/5,049.40
  6. Step 6: Final answer
    x = 4,069.37

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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.