Home / 7,743.54-11,612.88-2,812.26

Finding the Fourth Proportional to 7,743.54, 11,612.88 and 2,812.26

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Solution

The fourth proportional to 7,743.54, 11,612.88 and 2,812.26 is: 4,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.54 : 11,612.88 = 2,812.26 : x
  2. Step 2: Convert to fraction form
    7,743.54/11,612.88 = 2,812.26/x
  3. Step 3: Cross multiply
    7,743.54x = 11,612.88 × 2,812.26
  4. Step 4: Simplify right side
    7,743.54x = 32,658,437.91
  5. Step 5: Solve for x
    x = 32,658,437.91/7,743.54
  6. Step 6: Final answer
    x = 4,217.51

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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.