Home / 5,019.87-7,528.23-2,097.57

Finding the Fourth Proportional to 5,019.87, 7,528.23 and 2,097.57

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Solution

The fourth proportional to 5,019.87, 7,528.23 and 2,097.57 is: 3,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.87 : 7,528.23 = 2,097.57 : x
  2. Step 2: Convert to fraction form
    5,019.87/7,528.23 = 2,097.57/x
  3. Step 3: Cross multiply
    5,019.87x = 7,528.23 × 2,097.57
  4. Step 4: Simplify right side
    5,019.87x = 15,790,989.40
  5. Step 5: Solve for x
    x = 15,790,989.40/5,019.87
  6. Step 6: Final answer
    x = 3,145.70

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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.