Home / 4,272.99-6,400.51-2,712.20

Finding the Fourth Proportional to 4,272.99, 6,400.51 and 2,712.20

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Solution

The fourth proportional to 4,272.99, 6,400.51 and 2,712.20 is: 4,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.99 : 6,400.51 = 2,712.20 : x
  2. Step 2: Convert to fraction form
    4,272.99/6,400.51 = 2,712.20/x
  3. Step 3: Cross multiply
    4,272.99x = 6,400.51 × 2,712.20
  4. Step 4: Simplify right side
    4,272.99x = 17,359,424.44
  5. Step 5: Solve for x
    x = 17,359,424.44/4,272.99
  6. Step 6: Final answer
    x = 4,062.60

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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.