Home / 4,272.58-6,409.56-1,499.20

Finding the Fourth Proportional to 4,272.58, 6,409.56 and 1,499.20

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Solution

The fourth proportional to 4,272.58, 6,409.56 and 1,499.20 is: 2,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.58 : 6,409.56 = 1,499.20 : x
  2. Step 2: Convert to fraction form
    4,272.58/6,409.56 = 1,499.20/x
  3. Step 3: Cross multiply
    4,272.58x = 6,409.56 × 1,499.20
  4. Step 4: Simplify right side
    4,272.58x = 9,609,212.35
  5. Step 5: Solve for x
    x = 9,609,212.35/4,272.58
  6. Step 6: Final answer
    x = 2,249.04

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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.