Home / 7,710.12-11,568.77-2,445.96

Finding the Fourth Proportional to 7,710.12, 11,568.77 and 2,445.96

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Solution

The fourth proportional to 7,710.12, 11,568.77 and 2,445.96 is: 3,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.12 : 11,568.77 = 2,445.96 : x
  2. Step 2: Convert to fraction form
    7,710.12/11,568.77 = 2,445.96/x
  3. Step 3: Cross multiply
    7,710.12x = 11,568.77 × 2,445.96
  4. Step 4: Simplify right side
    7,710.12x = 28,296,736.44
  5. Step 5: Solve for x
    x = 28,296,736.44/7,710.12
  6. Step 6: Final answer
    x = 3,670.08

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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.