Home / 4,327.72-6,487.26-1,861.48

Finding the Fourth Proportional to 4,327.72, 6,487.26 and 1,861.48

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Solution

The fourth proportional to 4,327.72, 6,487.26 and 1,861.48 is: 2,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.72 : 6,487.26 = 1,861.48 : x
  2. Step 2: Convert to fraction form
    4,327.72/6,487.26 = 1,861.48/x
  3. Step 3: Cross multiply
    4,327.72x = 6,487.26 × 1,861.48
  4. Step 4: Simplify right side
    4,327.72x = 12,075,904.74
  5. Step 5: Solve for x
    x = 12,075,904.74/4,327.72
  6. Step 6: Final answer
    x = 2,790.36

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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.