Home / 4,310.13-5,946.98-3,129.15

Finding the Fourth Proportional to 4,310.13, 5,946.98 and 3,129.15

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Solution

The fourth proportional to 4,310.13, 5,946.98 and 3,129.15 is: 4,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.13 : 5,946.98 = 3,129.15 : x
  2. Step 2: Convert to fraction form
    4,310.13/5,946.98 = 3,129.15/x
  3. Step 3: Cross multiply
    4,310.13x = 5,946.98 × 3,129.15
  4. Step 4: Simplify right side
    4,310.13x = 18,608,976.82
  5. Step 5: Solve for x
    x = 18,608,976.82/4,310.13
  6. Step 6: Final answer
    x = 4,317.50

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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.