Home / 6,434.34-9,642.78-2,731.93

Finding the Fourth Proportional to 6,434.34, 9,642.78 and 2,731.93

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Solution

The fourth proportional to 6,434.34, 9,642.78 and 2,731.93 is: 4,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.34 : 9,642.78 = 2,731.93 : x
  2. Step 2: Convert to fraction form
    6,434.34/9,642.78 = 2,731.93/x
  3. Step 3: Cross multiply
    6,434.34x = 9,642.78 × 2,731.93
  4. Step 4: Simplify right side
    6,434.34x = 26,343,375.86
  5. Step 5: Solve for x
    x = 26,343,375.86/6,434.34
  6. Step 6: Final answer
    x = 4,094.19

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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.