Home / 7,311.34-10,964.79-6,141.70

Finding the Fourth Proportional to 7,311.34, 10,964.79 and 6,141.70

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Solution

The fourth proportional to 7,311.34, 10,964.79 and 6,141.70 is: 9,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.34 : 10,964.79 = 6,141.70 : x
  2. Step 2: Convert to fraction form
    7,311.34/10,964.79 = 6,141.70/x
  3. Step 3: Cross multiply
    7,311.34x = 10,964.79 × 6,141.70
  4. Step 4: Simplify right side
    7,311.34x = 67,342,450.74
  5. Step 5: Solve for x
    x = 67,342,450.74/7,311.34
  6. Step 6: Final answer
    x = 9,210.69

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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.