Home / 5,775.58-7,970.30-3,122.99

Finding the Fourth Proportional to 5,775.58, 7,970.30 and 3,122.99

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Solution

The fourth proportional to 5,775.58, 7,970.30 and 3,122.99 is: 4,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.58 : 7,970.30 = 3,122.99 : x
  2. Step 2: Convert to fraction form
    5,775.58/7,970.30 = 3,122.99/x
  3. Step 3: Cross multiply
    5,775.58x = 7,970.30 × 3,122.99
  4. Step 4: Simplify right side
    5,775.58x = 24,891,167.20
  5. Step 5: Solve for x
    x = 24,891,167.20/5,775.58
  6. Step 6: Final answer
    x = 4,309.73

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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.