Home / 7,820.65-11,741.25-4,663.88

Finding the Fourth Proportional to 7,820.65, 11,741.25 and 4,663.88

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Solution

The fourth proportional to 7,820.65, 11,741.25 and 4,663.88 is: 7,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.65 : 11,741.25 = 4,663.88 : x
  2. Step 2: Convert to fraction form
    7,820.65/11,741.25 = 4,663.88/x
  3. Step 3: Cross multiply
    7,820.65x = 11,741.25 × 4,663.88
  4. Step 4: Simplify right side
    7,820.65x = 54,759,783.86
  5. Step 5: Solve for x
    x = 54,759,783.86/7,820.65
  6. Step 6: Final answer
    x = 7,001.95

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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.