Home / 4,135.86-5,702.67-3,086.10

Finding the Fourth Proportional to 4,135.86, 5,702.67 and 3,086.10

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Solution

The fourth proportional to 4,135.86, 5,702.67 and 3,086.10 is: 4,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.86 : 5,702.67 = 3,086.10 : x
  2. Step 2: Convert to fraction form
    4,135.86/5,702.67 = 3,086.10/x
  3. Step 3: Cross multiply
    4,135.86x = 5,702.67 × 3,086.10
  4. Step 4: Simplify right side
    4,135.86x = 17,599,009.89
  5. Step 5: Solve for x
    x = 17,599,009.89/4,135.86
  6. Step 6: Final answer
    x = 4,255.22

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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.