Home / 5,824.80-8,037.90-3,172.10

Finding the Fourth Proportional to 5,824.80, 8,037.90 and 3,172.10

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Solution

The fourth proportional to 5,824.80, 8,037.90 and 3,172.10 is: 4,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.80 : 8,037.90 = 3,172.10 : x
  2. Step 2: Convert to fraction form
    5,824.80/8,037.90 = 3,172.10/x
  3. Step 3: Cross multiply
    5,824.80x = 8,037.90 × 3,172.10
  4. Step 4: Simplify right side
    5,824.80x = 25,497,022.59
  5. Step 5: Solve for x
    x = 25,497,022.59/5,824.80
  6. Step 6: Final answer
    x = 4,377.32

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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.