Home / 5,192.30-7,148.76-4,200.86

Finding the Fourth Proportional to 5,192.30, 7,148.76 and 4,200.86

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Solution

The fourth proportional to 5,192.30, 7,148.76 and 4,200.86 is: 5,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.30 : 7,148.76 = 4,200.86 : x
  2. Step 2: Convert to fraction form
    5,192.30/7,148.76 = 4,200.86/x
  3. Step 3: Cross multiply
    5,192.30x = 7,148.76 × 4,200.86
  4. Step 4: Simplify right side
    5,192.30x = 30,030,942.05
  5. Step 5: Solve for x
    x = 30,030,942.05/5,192.30
  6. Step 6: Final answer
    x = 5,783.74

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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.