Home / 8,331.96-12,487.70-4,430.52

Finding the Fourth Proportional to 8,331.96, 12,487.70 and 4,430.52

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Solution

The fourth proportional to 8,331.96, 12,487.70 and 4,430.52 is: 6,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.96 : 12,487.70 = 4,430.52 : x
  2. Step 2: Convert to fraction form
    8,331.96/12,487.70 = 4,430.52/x
  3. Step 3: Cross multiply
    8,331.96x = 12,487.70 × 4,430.52
  4. Step 4: Simplify right side
    8,331.96x = 55,327,004.60
  5. Step 5: Solve for x
    x = 55,327,004.60/8,331.96
  6. Step 6: Final answer
    x = 6,640.33

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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.