Home / 6,742.64-10,113.96-2,126

Finding the Fourth Proportional to 6,742.64, 10,113.96 and 2,126

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Solution

The fourth proportional to 6,742.64, 10,113.96 and 2,126 is: 3,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.64 : 10,113.96 = 2,126 : x
  2. Step 2: Convert to fraction form
    6,742.64/10,113.96 = 2,126/x
  3. Step 3: Cross multiply
    6,742.64x = 10,113.96 × 2,126
  4. Step 4: Simplify right side
    6,742.64x = 21,502,278.96
  5. Step 5: Solve for x
    x = 21,502,278.96/6,742.64
  6. Step 6: Final answer
    x = 3,189.00

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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.