Home / 7,007.68-10,515.66-2,847.37

Finding the Fourth Proportional to 7,007.68, 10,515.66 and 2,847.37

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Solution

The fourth proportional to 7,007.68, 10,515.66 and 2,847.37 is: 4,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.68 : 10,515.66 = 2,847.37 : x
  2. Step 2: Convert to fraction form
    7,007.68/10,515.66 = 2,847.37/x
  3. Step 3: Cross multiply
    7,007.68x = 10,515.66 × 2,847.37
  4. Step 4: Simplify right side
    7,007.68x = 29,941,974.81
  5. Step 5: Solve for x
    x = 29,941,974.81/7,007.68
  6. Step 6: Final answer
    x = 4,272.74

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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.