Home / 9,111.60-13,676.04-4,732.20

Finding the Fourth Proportional to 9,111.60, 13,676.04 and 4,732.20

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Solution

The fourth proportional to 9,111.60, 13,676.04 and 4,732.20 is: 7,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.60 : 13,676.04 = 4,732.20 : x
  2. Step 2: Convert to fraction form
    9,111.60/13,676.04 = 4,732.20/x
  3. Step 3: Cross multiply
    9,111.60x = 13,676.04 × 4,732.20
  4. Step 4: Simplify right side
    9,111.60x = 64,717,756.49
  5. Step 5: Solve for x
    x = 64,717,756.49/9,111.60
  6. Step 6: Final answer
    x = 7,102.79

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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.