Home / 7,099.76-10,654.62-2,939.84

Finding the Fourth Proportional to 7,099.76, 10,654.62 and 2,939.84

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Solution

The fourth proportional to 7,099.76, 10,654.62 and 2,939.84 is: 4,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.76 : 10,654.62 = 2,939.84 : x
  2. Step 2: Convert to fraction form
    7,099.76/10,654.62 = 2,939.84/x
  3. Step 3: Cross multiply
    7,099.76x = 10,654.62 × 2,939.84
  4. Step 4: Simplify right side
    7,099.76x = 31,322,878.06
  5. Step 5: Solve for x
    x = 31,322,878.06/7,099.76
  6. Step 6: Final answer
    x = 4,411.82

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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.