Home / 7,411.32-11,113.74-3,516.84

Finding the Fourth Proportional to 7,411.32, 11,113.74 and 3,516.84

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Solution

The fourth proportional to 7,411.32, 11,113.74 and 3,516.84 is: 5,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.32 : 11,113.74 = 3,516.84 : x
  2. Step 2: Convert to fraction form
    7,411.32/11,113.74 = 3,516.84/x
  3. Step 3: Cross multiply
    7,411.32x = 11,113.74 × 3,516.84
  4. Step 4: Simplify right side
    7,411.32x = 39,085,245.38
  5. Step 5: Solve for x
    x = 39,085,245.38/7,411.32
  6. Step 6: Final answer
    x = 5,273.72

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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.