Home / 7,334.66-10,121.68-3,977.48

Finding the Fourth Proportional to 7,334.66, 10,121.68 and 3,977.48

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Solution

The fourth proportional to 7,334.66, 10,121.68 and 3,977.48 is: 5,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.66 : 10,121.68 = 3,977.48 : x
  2. Step 2: Convert to fraction form
    7,334.66/10,121.68 = 3,977.48/x
  3. Step 3: Cross multiply
    7,334.66x = 10,121.68 × 3,977.48
  4. Step 4: Simplify right side
    7,334.66x = 40,258,779.77
  5. Step 5: Solve for x
    x = 40,258,779.77/7,334.66
  6. Step 6: Final answer
    x = 5,488.84

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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.