Home / 4,930.28-7,392.86-2,431.24

Finding the Fourth Proportional to 4,930.28, 7,392.86 and 2,431.24

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Solution

The fourth proportional to 4,930.28, 7,392.86 and 2,431.24 is: 3,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.28 : 7,392.86 = 2,431.24 : x
  2. Step 2: Convert to fraction form
    4,930.28/7,392.86 = 2,431.24/x
  3. Step 3: Cross multiply
    4,930.28x = 7,392.86 × 2,431.24
  4. Step 4: Simplify right side
    4,930.28x = 17,973,816.95
  5. Step 5: Solve for x
    x = 17,973,816.95/4,930.28
  6. Step 6: Final answer
    x = 3,645.60

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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.