Home / 4,378.96-6,559.80-2,650.96

Finding the Fourth Proportional to 4,378.96, 6,559.80 and 2,650.96

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Solution

The fourth proportional to 4,378.96, 6,559.80 and 2,650.96 is: 3,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.96 : 6,559.80 = 2,650.96 : x
  2. Step 2: Convert to fraction form
    4,378.96/6,559.80 = 2,650.96/x
  3. Step 3: Cross multiply
    4,378.96x = 6,559.80 × 2,650.96
  4. Step 4: Simplify right side
    4,378.96x = 17,389,767.41
  5. Step 5: Solve for x
    x = 17,389,767.41/4,378.96
  6. Step 6: Final answer
    x = 3,971.21

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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.