Home / 6,774.47-10,161.71-2,390.89

Finding the Fourth Proportional to 6,774.47, 10,161.71 and 2,390.89

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Solution

The fourth proportional to 6,774.47, 10,161.71 and 2,390.89 is: 3,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.47 : 10,161.71 = 2,390.89 : x
  2. Step 2: Convert to fraction form
    6,774.47/10,161.71 = 2,390.89/x
  3. Step 3: Cross multiply
    6,774.47x = 10,161.71 × 2,390.89
  4. Step 4: Simplify right side
    6,774.47x = 24,295,530.82
  5. Step 5: Solve for x
    x = 24,295,530.82/6,774.47
  6. Step 6: Final answer
    x = 3,586.34

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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.