Home / 6,966.81-9,612.47-3,982.16

Finding the Fourth Proportional to 6,966.81, 9,612.47 and 3,982.16

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Solution

The fourth proportional to 6,966.81, 9,612.47 and 3,982.16 is: 5,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.81 : 9,612.47 = 3,982.16 : x
  2. Step 2: Convert to fraction form
    6,966.81/9,612.47 = 3,982.16/x
  3. Step 3: Cross multiply
    6,966.81x = 9,612.47 × 3,982.16
  4. Step 4: Simplify right side
    6,966.81x = 38,278,427.52
  5. Step 5: Solve for x
    x = 38,278,427.52/6,966.81
  6. Step 6: Final answer
    x = 5,494.40

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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.