Home / 6,438.69-9,658.17-2,741.58

Finding the Fourth Proportional to 6,438.69, 9,658.17 and 2,741.58

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Solution

The fourth proportional to 6,438.69, 9,658.17 and 2,741.58 is: 4,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.69 : 9,658.17 = 2,741.58 : x
  2. Step 2: Convert to fraction form
    6,438.69/9,658.17 = 2,741.58/x
  3. Step 3: Cross multiply
    6,438.69x = 9,658.17 × 2,741.58
  4. Step 4: Simplify right side
    6,438.69x = 26,478,645.71
  5. Step 5: Solve for x
    x = 26,478,645.71/6,438.69
  6. Step 6: Final answer
    x = 4,112.43

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1.5x scale

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.