Home / 6,239.18-9,358.13-2,078.74

Finding the Fourth Proportional to 6,239.18, 9,358.13 and 2,078.74

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Solution

The fourth proportional to 6,239.18, 9,358.13 and 2,078.74 is: 3,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.18 : 9,358.13 = 2,078.74 : x
  2. Step 2: Convert to fraction form
    6,239.18/9,358.13 = 2,078.74/x
  3. Step 3: Cross multiply
    6,239.18x = 9,358.13 × 2,078.74
  4. Step 4: Simplify right side
    6,239.18x = 19,453,077.56
  5. Step 5: Solve for x
    x = 19,453,077.56/6,239.18
  6. Step 6: Final answer
    x = 3,117.89

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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.