Home / 8,327.26-12,487.23-4,430.74

Finding the Fourth Proportional to 8,327.26, 12,487.23 and 4,430.74

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Solution

The fourth proportional to 8,327.26, 12,487.23 and 4,430.74 is: 6,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.26 : 12,487.23 = 4,430.74 : x
  2. Step 2: Convert to fraction form
    8,327.26/12,487.23 = 4,430.74/x
  3. Step 3: Cross multiply
    8,327.26x = 12,487.23 × 4,430.74
  4. Step 4: Simplify right side
    8,327.26x = 55,327,669.45
  5. Step 5: Solve for x
    x = 55,327,669.45/8,327.26
  6. Step 6: Final answer
    x = 6,644.16

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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.