Home / 4,808.38-6,630.98-3,127.86

Finding the Fourth Proportional to 4,808.38, 6,630.98 and 3,127.86

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Solution

The fourth proportional to 4,808.38, 6,630.98 and 3,127.86 is: 4,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.38 : 6,630.98 = 3,127.86 : x
  2. Step 2: Convert to fraction form
    4,808.38/6,630.98 = 3,127.86/x
  3. Step 3: Cross multiply
    4,808.38x = 6,630.98 × 3,127.86
  4. Step 4: Simplify right side
    4,808.38x = 20,740,777.10
  5. Step 5: Solve for x
    x = 20,740,777.10/4,808.38
  6. Step 6: Final answer
    x = 4,313.46

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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.