Home / 6,283.20-8,669.78-3,630.86

Finding the Fourth Proportional to 6,283.20, 8,669.78 and 3,630.86

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Solution

The fourth proportional to 6,283.20, 8,669.78 and 3,630.86 is: 5,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.20 : 8,669.78 = 3,630.86 : x
  2. Step 2: Convert to fraction form
    6,283.20/8,669.78 = 3,630.86/x
  3. Step 3: Cross multiply
    6,283.20x = 8,669.78 × 3,630.86
  4. Step 4: Simplify right side
    6,283.20x = 31,478,735.74
  5. Step 5: Solve for x
    x = 31,478,735.74/6,283.20
  6. Step 6: Final answer
    x = 5,009.98

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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.