Home / 4,387.87-6,055.36-2,620.49

Finding the Fourth Proportional to 4,387.87, 6,055.36 and 2,620.49

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Solution

The fourth proportional to 4,387.87, 6,055.36 and 2,620.49 is: 3,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.87 : 6,055.36 = 2,620.49 : x
  2. Step 2: Convert to fraction form
    4,387.87/6,055.36 = 2,620.49/x
  3. Step 3: Cross multiply
    4,387.87x = 6,055.36 × 2,620.49
  4. Step 4: Simplify right side
    4,387.87x = 15,867,973.50
  5. Step 5: Solve for x
    x = 15,867,973.50/4,387.87
  6. Step 6: Final answer
    x = 3,616.33

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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.