Home / 7,940.15-10,956.97-4,403.87

Finding the Fourth Proportional to 7,940.15, 10,956.97 and 4,403.87

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Solution

The fourth proportional to 7,940.15, 10,956.97 and 4,403.87 is: 6,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.15 : 10,956.97 = 4,403.87 : x
  2. Step 2: Convert to fraction form
    7,940.15/10,956.97 = 4,403.87/x
  3. Step 3: Cross multiply
    7,940.15x = 10,956.97 × 4,403.87
  4. Step 4: Simplify right side
    7,940.15x = 48,253,071.47
  5. Step 5: Solve for x
    x = 48,253,071.47/7,940.15
  6. Step 6: Final answer
    x = 6,077.10

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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.