Home / 7,804.17-11,707.96-2,539.72

Finding the Fourth Proportional to 7,804.17, 11,707.96 and 2,539.72

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Solution

The fourth proportional to 7,804.17, 11,707.96 and 2,539.72 is: 3,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.17 : 11,707.96 = 2,539.72 : x
  2. Step 2: Convert to fraction form
    7,804.17/11,707.96 = 2,539.72/x
  3. Step 3: Cross multiply
    7,804.17x = 11,707.96 × 2,539.72
  4. Step 4: Simplify right side
    7,804.17x = 29,734,940.17
  5. Step 5: Solve for x
    x = 29,734,940.17/7,804.17
  6. Step 6: Final answer
    x = 3,810.13

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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.