Home / 6,911.10-10,366.59-4,138.56

Finding the Fourth Proportional to 6,911.10, 10,366.59 and 4,138.56

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Solution

The fourth proportional to 6,911.10, 10,366.59 and 4,138.56 is: 6,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.10 : 10,366.59 = 4,138.56 : x
  2. Step 2: Convert to fraction form
    6,911.10/10,366.59 = 4,138.56/x
  3. Step 3: Cross multiply
    6,911.10x = 10,366.59 × 4,138.56
  4. Step 4: Simplify right side
    6,911.10x = 42,902,754.71
  5. Step 5: Solve for x
    x = 42,902,754.71/6,911.10
  6. Step 6: Final answer
    x = 6,207.80

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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.