Home / 7,901.73-10,906.56-4,915.79

Finding the Fourth Proportional to 7,901.73, 10,906.56 and 4,915.79

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Solution

The fourth proportional to 7,901.73, 10,906.56 and 4,915.79 is: 6,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.73 : 10,906.56 = 4,915.79 : x
  2. Step 2: Convert to fraction form
    7,901.73/10,906.56 = 4,915.79/x
  3. Step 3: Cross multiply
    7,901.73x = 10,906.56 × 4,915.79
  4. Step 4: Simplify right side
    7,901.73x = 53,614,358.58
  5. Step 5: Solve for x
    x = 53,614,358.58/7,901.73
  6. Step 6: Final answer
    x = 6,785.14

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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.