Home / 6,139.69-9,203.57-2,630.61

Finding the Fourth Proportional to 6,139.69, 9,203.57 and 2,630.61

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Solution

The fourth proportional to 6,139.69, 9,203.57 and 2,630.61 is: 3,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.69 : 9,203.57 = 2,630.61 : x
  2. Step 2: Convert to fraction form
    6,139.69/9,203.57 = 2,630.61/x
  3. Step 3: Cross multiply
    6,139.69x = 9,203.57 × 2,630.61
  4. Step 4: Simplify right side
    6,139.69x = 24,210,999.99
  5. Step 5: Solve for x
    x = 24,210,999.99/6,139.69
  6. Step 6: Final answer
    x = 3,943.36

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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.