Home / 5,113.11-7,669.67-1,825.78

Finding the Fourth Proportional to 5,113.11, 7,669.67 and 1,825.78

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Solution

The fourth proportional to 5,113.11, 7,669.67 and 1,825.78 is: 2,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.11 : 7,669.67 = 1,825.78 : x
  2. Step 2: Convert to fraction form
    5,113.11/7,669.67 = 1,825.78/x
  3. Step 3: Cross multiply
    5,113.11x = 7,669.67 × 1,825.78
  4. Step 4: Simplify right side
    5,113.11x = 14,003,130.09
  5. Step 5: Solve for x
    x = 14,003,130.09/5,113.11
  6. Step 6: Final answer
    x = 2,738.67

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Similar ratio
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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.