Home / 4,889-6,747.92-3,474.74

Finding the Fourth Proportional to 4,889, 6,747.92 and 3,474.74

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Solution

The fourth proportional to 4,889, 6,747.92 and 3,474.74 is: 4,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889 : 6,747.92 = 3,474.74 : x
  2. Step 2: Convert to fraction form
    4,889/6,747.92 = 3,474.74/x
  3. Step 3: Cross multiply
    4,889x = 6,747.92 × 3,474.74
  4. Step 4: Simplify right side
    4,889x = 23,447,267.54
  5. Step 5: Solve for x
    x = 23,447,267.54/4,889
  6. Step 6: Final answer
    x = 4,795.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.