Home / 4,609.88-6,356.61-3,115.20

Finding the Fourth Proportional to 4,609.88, 6,356.61 and 3,115.20

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Solution

The fourth proportional to 4,609.88, 6,356.61 and 3,115.20 is: 4,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.88 : 6,356.61 = 3,115.20 : x
  2. Step 2: Convert to fraction form
    4,609.88/6,356.61 = 3,115.20/x
  3. Step 3: Cross multiply
    4,609.88x = 6,356.61 × 3,115.20
  4. Step 4: Simplify right side
    4,609.88x = 19,802,111.47
  5. Step 5: Solve for x
    x = 19,802,111.47/4,609.88
  6. Step 6: Final answer
    x = 4,295.58

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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.