Home / 4,102.50-5,663.35-2,686.26

Finding the Fourth Proportional to 4,102.50, 5,663.35 and 2,686.26

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Solution

The fourth proportional to 4,102.50, 5,663.35 and 2,686.26 is: 3,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.50 : 5,663.35 = 2,686.26 : x
  2. Step 2: Convert to fraction form
    4,102.50/5,663.35 = 2,686.26/x
  3. Step 3: Cross multiply
    4,102.50x = 5,663.35 × 2,686.26
  4. Step 4: Simplify right side
    4,102.50x = 15,213,230.57
  5. Step 5: Solve for x
    x = 15,213,230.57/4,102.50
  6. Step 6: Final answer
    x = 3,708.28

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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.