Home / 5,824.78-8,038.09-3,172.30

Finding the Fourth Proportional to 5,824.78, 8,038.09 and 3,172.30

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Solution

The fourth proportional to 5,824.78, 8,038.09 and 3,172.30 is: 4,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.78 : 8,038.09 = 3,172.30 : x
  2. Step 2: Convert to fraction form
    5,824.78/8,038.09 = 3,172.30/x
  3. Step 3: Cross multiply
    5,824.78x = 8,038.09 × 3,172.30
  4. Step 4: Simplify right side
    5,824.78x = 25,499,232.91
  5. Step 5: Solve for x
    x = 25,499,232.91/5,824.78
  6. Step 6: Final answer
    x = 4,377.72

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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.