Home / 5,464.98-7,551.60-3,890.34

Finding the Fourth Proportional to 5,464.98, 7,551.60 and 3,890.34

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Solution

The fourth proportional to 5,464.98, 7,551.60 and 3,890.34 is: 5,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.98 : 7,551.60 = 3,890.34 : x
  2. Step 2: Convert to fraction form
    5,464.98/7,551.60 = 3,890.34/x
  3. Step 3: Cross multiply
    5,464.98x = 7,551.60 × 3,890.34
  4. Step 4: Simplify right side
    5,464.98x = 29,378,291.54
  5. Step 5: Solve for x
    x = 29,378,291.54/5,464.98
  6. Step 6: Final answer
    x = 5,375.74

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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.