Home / 6,387.12-9,577.08-2,003.76

Finding the Fourth Proportional to 6,387.12, 9,577.08 and 2,003.76

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Solution

The fourth proportional to 6,387.12, 9,577.08 and 2,003.76 is: 3,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.12 : 9,577.08 = 2,003.76 : x
  2. Step 2: Convert to fraction form
    6,387.12/9,577.08 = 2,003.76/x
  3. Step 3: Cross multiply
    6,387.12x = 9,577.08 × 2,003.76
  4. Step 4: Simplify right side
    6,387.12x = 19,190,169.82
  5. Step 5: Solve for x
    x = 19,190,169.82/6,387.12
  6. Step 6: Final answer
    x = 3,004.51

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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.