Home / 4,387.68-6,055.02-2,620.08

Finding the Fourth Proportional to 4,387.68, 6,055.02 and 2,620.08

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Solution

The fourth proportional to 4,387.68, 6,055.02 and 2,620.08 is: 3,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.68 : 6,055.02 = 2,620.08 : x
  2. Step 2: Convert to fraction form
    4,387.68/6,055.02 = 2,620.08/x
  3. Step 3: Cross multiply
    4,387.68x = 6,055.02 × 2,620.08
  4. Step 4: Simplify right side
    4,387.68x = 15,864,636.80
  5. Step 5: Solve for x
    x = 15,864,636.80/4,387.68
  6. Step 6: Final answer
    x = 3,615.72

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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.