Home / 6,042.71-8,339.40-3,390.36

Finding the Fourth Proportional to 6,042.71, 8,339.40 and 3,390.36

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Solution

The fourth proportional to 6,042.71, 8,339.40 and 3,390.36 is: 4,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.71 : 8,339.40 = 3,390.36 : x
  2. Step 2: Convert to fraction form
    6,042.71/8,339.40 = 3,390.36/x
  3. Step 3: Cross multiply
    6,042.71x = 8,339.40 × 3,390.36
  4. Step 4: Simplify right side
    6,042.71x = 28,273,568.18
  5. Step 5: Solve for x
    x = 28,273,568.18/6,042.71
  6. Step 6: Final answer
    x = 4,678.96

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.