Home / 5,775.18-7,969.73-3,122.58

Finding the Fourth Proportional to 5,775.18, 7,969.73 and 3,122.58

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Solution

The fourth proportional to 5,775.18, 7,969.73 and 3,122.58 is: 4,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.18 : 7,969.73 = 3,122.58 : x
  2. Step 2: Convert to fraction form
    5,775.18/7,969.73 = 3,122.58/x
  3. Step 3: Cross multiply
    5,775.18x = 7,969.73 × 3,122.58
  4. Step 4: Simplify right side
    5,775.18x = 24,886,119.50
  5. Step 5: Solve for x
    x = 24,886,119.50/5,775.18
  6. Step 6: Final answer
    x = 4,309.15

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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.