Home / 7,937.61-11,905.57-3,258.11

Finding the Fourth Proportional to 7,937.61, 11,905.57 and 3,258.11

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Solution

The fourth proportional to 7,937.61, 11,905.57 and 3,258.11 is: 4,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.61 : 11,905.57 = 3,258.11 : x
  2. Step 2: Convert to fraction form
    7,937.61/11,905.57 = 3,258.11/x
  3. Step 3: Cross multiply
    7,937.61x = 11,905.57 × 3,258.11
  4. Step 4: Simplify right side
    7,937.61x = 38,789,618.76
  5. Step 5: Solve for x
    x = 38,789,618.76/7,937.61
  6. Step 6: Final answer
    x = 4,886.82

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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.