Home / 5,538.54-8,315.10-3,895.86

Finding the Fourth Proportional to 5,538.54, 8,315.10 and 3,895.86

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Solution

The fourth proportional to 5,538.54, 8,315.10 and 3,895.86 is: 5,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.54 : 8,315.10 = 3,895.86 : x
  2. Step 2: Convert to fraction form
    5,538.54/8,315.10 = 3,895.86/x
  3. Step 3: Cross multiply
    5,538.54x = 8,315.10 × 3,895.86
  4. Step 4: Simplify right side
    5,538.54x = 32,394,465.49
  5. Step 5: Solve for x
    x = 32,394,465.49/5,538.54
  6. Step 6: Final answer
    x = 5,848.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.