Home / 6,235.30-8,603.98-3,717.55

Finding the Fourth Proportional to 6,235.30, 8,603.98 and 3,717.55

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Solution

The fourth proportional to 6,235.30, 8,603.98 and 3,717.55 is: 5,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.30 : 8,603.98 = 3,717.55 : x
  2. Step 2: Convert to fraction form
    6,235.30/8,603.98 = 3,717.55/x
  3. Step 3: Cross multiply
    6,235.30x = 8,603.98 × 3,717.55
  4. Step 4: Simplify right side
    6,235.30x = 31,985,725.85
  5. Step 5: Solve for x
    x = 31,985,725.85/6,235.30
  6. Step 6: Final answer
    x = 5,129.78

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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.