Home / 6,742.64-10,113.93-1,811.87

Finding the Fourth Proportional to 6,742.64, 10,113.93 and 1,811.87

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Solution

The fourth proportional to 6,742.64, 10,113.93 and 1,811.87 is: 2,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.64 : 10,113.93 = 1,811.87 : x
  2. Step 2: Convert to fraction form
    6,742.64/10,113.93 = 1,811.87/x
  3. Step 3: Cross multiply
    6,742.64x = 10,113.93 × 1,811.87
  4. Step 4: Simplify right side
    6,742.64x = 18,325,113.71
  5. Step 5: Solve for x
    x = 18,325,113.71/6,742.64
  6. Step 6: Final answer
    x = 2,717.79

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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.