Home / 5,207.12-7,810.92-2,896.88

Finding the Fourth Proportional to 5,207.12, 7,810.92 and 2,896.88

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Solution

The fourth proportional to 5,207.12, 7,810.92 and 2,896.88 is: 4,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.12 : 7,810.92 = 2,896.88 : x
  2. Step 2: Convert to fraction form
    5,207.12/7,810.92 = 2,896.88/x
  3. Step 3: Cross multiply
    5,207.12x = 7,810.92 × 2,896.88
  4. Step 4: Simplify right side
    5,207.12x = 22,627,297.93
  5. Step 5: Solve for x
    x = 22,627,297.93/5,207.12
  6. Step 6: Final answer
    x = 4,345.45

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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.