Home / 7,746.13-11,624.15-2,815.30

Finding the Fourth Proportional to 7,746.13, 11,624.15 and 2,815.30

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Solution

The fourth proportional to 7,746.13, 11,624.15 and 2,815.30 is: 4,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.13 : 11,624.15 = 2,815.30 : x
  2. Step 2: Convert to fraction form
    7,746.13/11,624.15 = 2,815.30/x
  3. Step 3: Cross multiply
    7,746.13x = 11,624.15 × 2,815.30
  4. Step 4: Simplify right side
    7,746.13x = 32,725,469.50
  5. Step 5: Solve for x
    x = 32,725,469.50/7,746.13
  6. Step 6: Final answer
    x = 4,224.75

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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.