Home / 4,930.68-7,397.36-2,157.60

Finding the Fourth Proportional to 4,930.68, 7,397.36 and 2,157.60

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Solution

The fourth proportional to 4,930.68, 7,397.36 and 2,157.60 is: 3,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.68 : 7,397.36 = 2,157.60 : x
  2. Step 2: Convert to fraction form
    4,930.68/7,397.36 = 2,157.60/x
  3. Step 3: Cross multiply
    4,930.68x = 7,397.36 × 2,157.60
  4. Step 4: Simplify right side
    4,930.68x = 15,960,543.94
  5. Step 5: Solve for x
    x = 15,960,543.94/4,930.68
  6. Step 6: Final answer
    x = 3,236.99

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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.