Home / 6,774.50-10,161.68-5,141.08

Finding the Fourth Proportional to 6,774.50, 10,161.68 and 5,141.08

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Solution

The fourth proportional to 6,774.50, 10,161.68 and 5,141.08 is: 7,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.50 : 10,161.68 = 5,141.08 : x
  2. Step 2: Convert to fraction form
    6,774.50/10,161.68 = 5,141.08/x
  3. Step 3: Cross multiply
    6,774.50x = 10,161.68 × 5,141.08
  4. Step 4: Simplify right side
    6,774.50x = 52,242,009.81
  5. Step 5: Solve for x
    x = 52,242,009.81/6,774.50
  6. Step 6: Final answer
    x = 7,711.57

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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.