Home / 4,135.13-5,706.48-2,272.13

Finding the Fourth Proportional to 4,135.13, 5,706.48 and 2,272.13

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Solution

The fourth proportional to 4,135.13, 5,706.48 and 2,272.13 is: 3,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.13 : 5,706.48 = 2,272.13 : x
  2. Step 2: Convert to fraction form
    4,135.13/5,706.48 = 2,272.13/x
  3. Step 3: Cross multiply
    4,135.13x = 5,706.48 × 2,272.13
  4. Step 4: Simplify right side
    4,135.13x = 12,965,824.51
  5. Step 5: Solve for x
    x = 12,965,824.51/4,135.13
  6. Step 6: Final answer
    x = 3,135.53

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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.