Home / 4,749.39-7,126.11-2,555.55

Finding the Fourth Proportional to 4,749.39, 7,126.11 and 2,555.55

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Solution

The fourth proportional to 4,749.39, 7,126.11 and 2,555.55 is: 3,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.39 : 7,126.11 = 2,555.55 : x
  2. Step 2: Convert to fraction form
    4,749.39/7,126.11 = 2,555.55/x
  3. Step 3: Cross multiply
    4,749.39x = 7,126.11 × 2,555.55
  4. Step 4: Simplify right side
    4,749.39x = 18,211,130.41
  5. Step 5: Solve for x
    x = 18,211,130.41/4,749.39
  6. Step 6: Final answer
    x = 3,834.41

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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.