Home / 4,272.07-6,404.92-2,881.51

Finding the Fourth Proportional to 4,272.07, 6,404.92 and 2,881.51

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Solution

The fourth proportional to 4,272.07, 6,404.92 and 2,881.51 is: 4,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.07 : 6,404.92 = 2,881.51 : x
  2. Step 2: Convert to fraction form
    4,272.07/6,404.92 = 2,881.51/x
  3. Step 3: Cross multiply
    4,272.07x = 6,404.92 × 2,881.51
  4. Step 4: Simplify right side
    4,272.07x = 18,455,841.03
  5. Step 5: Solve for x
    x = 18,455,841.03/4,272.07
  6. Step 6: Final answer
    x = 4,320.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.