Home / 5,259.58-7,878.44-2,488.47

Finding the Fourth Proportional to 5,259.58, 7,878.44 and 2,488.47

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Solution

The fourth proportional to 5,259.58, 7,878.44 and 2,488.47 is: 3,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.58 : 7,878.44 = 2,488.47 : x
  2. Step 2: Convert to fraction form
    5,259.58/7,878.44 = 2,488.47/x
  3. Step 3: Cross multiply
    5,259.58x = 7,878.44 × 2,488.47
  4. Step 4: Simplify right side
    5,259.58x = 19,605,275.58
  5. Step 5: Solve for x
    x = 19,605,275.58/5,259.58
  6. Step 6: Final answer
    x = 3,727.53

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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.