Home / 5,650.22-7,788.65-3,966.90

Finding the Fourth Proportional to 5,650.22, 7,788.65 and 3,966.90

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Solution

The fourth proportional to 5,650.22, 7,788.65 and 3,966.90 is: 5,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.22 : 7,788.65 = 3,966.90 : x
  2. Step 2: Convert to fraction form
    5,650.22/7,788.65 = 3,966.90/x
  3. Step 3: Cross multiply
    5,650.22x = 7,788.65 × 3,966.90
  4. Step 4: Simplify right side
    5,650.22x = 30,896,795.69
  5. Step 5: Solve for x
    x = 30,896,795.69/5,650.22
  6. Step 6: Final answer
    x = 5,468.25

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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.