Home / 8,313.46-12,475.59-4,420.60

Finding the Fourth Proportional to 8,313.46, 12,475.59 and 4,420.60

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Solution

The fourth proportional to 8,313.46, 12,475.59 and 4,420.60 is: 6,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.46 : 12,475.59 = 4,420.60 : x
  2. Step 2: Convert to fraction form
    8,313.46/12,475.59 = 4,420.60/x
  3. Step 3: Cross multiply
    8,313.46x = 12,475.59 × 4,420.60
  4. Step 4: Simplify right side
    8,313.46x = 55,149,593.15
  5. Step 5: Solve for x
    x = 55,149,593.15/8,313.46
  6. Step 6: Final answer
    x = 6,633.77

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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.