Home / 6,387.22-9,580.80-2,005.02

Finding the Fourth Proportional to 6,387.22, 9,580.80 and 2,005.02

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Solution

The fourth proportional to 6,387.22, 9,580.80 and 2,005.02 is: 3,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.22 : 9,580.80 = 2,005.02 : x
  2. Step 2: Convert to fraction form
    6,387.22/9,580.80 = 2,005.02/x
  3. Step 3: Cross multiply
    6,387.22x = 9,580.80 × 2,005.02
  4. Step 4: Simplify right side
    6,387.22x = 19,209,695.62
  5. Step 5: Solve for x
    x = 19,209,695.62/6,387.22
  6. Step 6: Final answer
    x = 3,007.52

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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.