Home / 5,272.03-7,272.52-3,381.51

Finding the Fourth Proportional to 5,272.03, 7,272.52 and 3,381.51

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Solution

The fourth proportional to 5,272.03, 7,272.52 and 3,381.51 is: 4,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.03 : 7,272.52 = 3,381.51 : x
  2. Step 2: Convert to fraction form
    5,272.03/7,272.52 = 3,381.51/x
  3. Step 3: Cross multiply
    5,272.03x = 7,272.52 × 3,381.51
  4. Step 4: Simplify right side
    5,272.03x = 24,592,072.47
  5. Step 5: Solve for x
    x = 24,592,072.47/5,272.03
  6. Step 6: Final answer
    x = 4,664.63

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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.