Home / 6,746.31-10,120.64-2,066.21

Finding the Fourth Proportional to 6,746.31, 10,120.64 and 2,066.21

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Solution

The fourth proportional to 6,746.31, 10,120.64 and 2,066.21 is: 3,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.31 : 10,120.64 = 2,066.21 : x
  2. Step 2: Convert to fraction form
    6,746.31/10,120.64 = 2,066.21/x
  3. Step 3: Cross multiply
    6,746.31x = 10,120.64 × 2,066.21
  4. Step 4: Simplify right side
    6,746.31x = 20,911,344.59
  5. Step 5: Solve for x
    x = 20,911,344.59/6,746.31
  6. Step 6: Final answer
    x = 3,099.67

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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.