Home / 5,282.82-7,924.64-1,387.13

Finding the Fourth Proportional to 5,282.82, 7,924.64 and 1,387.13

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Solution

The fourth proportional to 5,282.82, 7,924.64 and 1,387.13 is: 2,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.82 : 7,924.64 = 1,387.13 : x
  2. Step 2: Convert to fraction form
    5,282.82/7,924.64 = 1,387.13/x
  3. Step 3: Cross multiply
    5,282.82x = 7,924.64 × 1,387.13
  4. Step 4: Simplify right side
    5,282.82x = 10,992,459.32
  5. Step 5: Solve for x
    x = 10,992,459.32/5,282.82
  6. Step 6: Final answer
    x = 2,080.79

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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.