Home / 9,134.52-13,703.40-3,211.80

Finding the Fourth Proportional to 9,134.52, 13,703.40 and 3,211.80

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Solution

The fourth proportional to 9,134.52, 13,703.40 and 3,211.80 is: 4,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.52 : 13,703.40 = 3,211.80 : x
  2. Step 2: Convert to fraction form
    9,134.52/13,703.40 = 3,211.80/x
  3. Step 3: Cross multiply
    9,134.52x = 13,703.40 × 3,211.80
  4. Step 4: Simplify right side
    9,134.52x = 44,012,580.12
  5. Step 5: Solve for x
    x = 44,012,580.12/9,134.52
  6. Step 6: Final answer
    x = 4,818.27

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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.