Home / 3,719.13-5,509.11-3,677.67

Finding the Fourth Proportional to 3,719.13, 5,509.11 and 3,677.67

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Solution

The fourth proportional to 3,719.13, 5,509.11 and 3,677.67 is: 5,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.13 : 5,509.11 = 3,677.67 : x
  2. Step 2: Convert to fraction form
    3,719.13/5,509.11 = 3,677.67/x
  3. Step 3: Cross multiply
    3,719.13x = 5,509.11 × 3,677.67
  4. Step 4: Simplify right side
    3,719.13x = 20,260,702.36
  5. Step 5: Solve for x
    x = 20,260,702.36/3,719.13
  6. Step 6: Final answer
    x = 5,447.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.