Home / 6,139.91-8,473.07-3,345.41

Finding the Fourth Proportional to 6,139.91, 8,473.07 and 3,345.41

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Solution

The fourth proportional to 6,139.91, 8,473.07 and 3,345.41 is: 4,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.91 : 8,473.07 = 3,345.41 : x
  2. Step 2: Convert to fraction form
    6,139.91/8,473.07 = 3,345.41/x
  3. Step 3: Cross multiply
    6,139.91x = 8,473.07 × 3,345.41
  4. Step 4: Simplify right side
    6,139.91x = 28,345,893.11
  5. Step 5: Solve for x
    x = 28,345,893.11/6,139.91
  6. Step 6: Final answer
    x = 4,616.66

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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.