Home / 7,396.15-10,200.90-4,743.80

Finding the Fourth Proportional to 7,396.15, 10,200.90 and 4,743.80

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Solution

The fourth proportional to 7,396.15, 10,200.90 and 4,743.80 is: 6,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.15 : 10,200.90 = 4,743.80 : x
  2. Step 2: Convert to fraction form
    7,396.15/10,200.90 = 4,743.80/x
  3. Step 3: Cross multiply
    7,396.15x = 10,200.90 × 4,743.80
  4. Step 4: Simplify right side
    7,396.15x = 48,391,029.42
  5. Step 5: Solve for x
    x = 48,391,029.42/7,396.15
  6. Step 6: Final answer
    x = 6,542.73

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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.