Home / 7,022.16-9,689.48-4,037.44

Finding the Fourth Proportional to 7,022.16, 9,689.48 and 4,037.44

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Solution

The fourth proportional to 7,022.16, 9,689.48 and 4,037.44 is: 5,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.16 : 9,689.48 = 4,037.44 : x
  2. Step 2: Convert to fraction form
    7,022.16/9,689.48 = 4,037.44/x
  3. Step 3: Cross multiply
    7,022.16x = 9,689.48 × 4,037.44
  4. Step 4: Simplify right side
    7,022.16x = 39,120,694.13
  5. Step 5: Solve for x
    x = 39,120,694.13/7,022.16
  6. Step 6: Final answer
    x = 5,571.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.