Home / 5,635.85-7,777.44-3,117.92

Finding the Fourth Proportional to 5,635.85, 7,777.44 and 3,117.92

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Solution

The fourth proportional to 5,635.85, 7,777.44 and 3,117.92 is: 4,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.85 : 7,777.44 = 3,117.92 : x
  2. Step 2: Convert to fraction form
    5,635.85/7,777.44 = 3,117.92/x
  3. Step 3: Cross multiply
    5,635.85x = 7,777.44 × 3,117.92
  4. Step 4: Simplify right side
    5,635.85x = 24,249,435.72
  5. Step 5: Solve for x
    x = 24,249,435.72/5,635.85
  6. Step 6: Final answer
    x = 4,302.71

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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.