Home / 7,243.18-10,864.77-3,779.62

Finding the Fourth Proportional to 7,243.18, 10,864.77 and 3,779.62

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Solution

The fourth proportional to 7,243.18, 10,864.77 and 3,779.62 is: 5,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.18 : 10,864.77 = 3,779.62 : x
  2. Step 2: Convert to fraction form
    7,243.18/10,864.77 = 3,779.62/x
  3. Step 3: Cross multiply
    7,243.18x = 10,864.77 × 3,779.62
  4. Step 4: Simplify right side
    7,243.18x = 41,064,701.99
  5. Step 5: Solve for x
    x = 41,064,701.99/7,243.18
  6. Step 6: Final answer
    x = 5,669.43

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Similar ratio
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1.5x scale

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.