Home / 7,837.91-11,751.12-2,907.57

Finding the Fourth Proportional to 7,837.91, 11,751.12 and 2,907.57

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Solution

The fourth proportional to 7,837.91, 11,751.12 and 2,907.57 is: 4,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.91 : 11,751.12 = 2,907.57 : x
  2. Step 2: Convert to fraction form
    7,837.91/11,751.12 = 2,907.57/x
  3. Step 3: Cross multiply
    7,837.91x = 11,751.12 × 2,907.57
  4. Step 4: Simplify right side
    7,837.91x = 34,167,203.98
  5. Step 5: Solve for x
    x = 34,167,203.98/7,837.91
  6. Step 6: Final answer
    x = 4,359.23

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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.