Home / 6,966.78-9,612.76-3,983.60

Finding the Fourth Proportional to 6,966.78, 9,612.76 and 3,983.60

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Solution

The fourth proportional to 6,966.78, 9,612.76 and 3,983.60 is: 5,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.78 : 9,612.76 = 3,983.60 : x
  2. Step 2: Convert to fraction form
    6,966.78/9,612.76 = 3,983.60/x
  3. Step 3: Cross multiply
    6,966.78x = 9,612.76 × 3,983.60
  4. Step 4: Simplify right side
    6,966.78x = 38,293,390.74
  5. Step 5: Solve for x
    x = 38,293,390.74/6,966.78
  6. Step 6: Final answer
    x = 5,496.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.