Home / 5,117.44-7,670.62-2,479.36

Finding the Fourth Proportional to 5,117.44, 7,670.62 and 2,479.36

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Solution

The fourth proportional to 5,117.44, 7,670.62 and 2,479.36 is: 3,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.44 : 7,670.62 = 2,479.36 : x
  2. Step 2: Convert to fraction form
    5,117.44/7,670.62 = 2,479.36/x
  3. Step 3: Cross multiply
    5,117.44x = 7,670.62 × 2,479.36
  4. Step 4: Simplify right side
    5,117.44x = 19,018,228.40
  5. Step 5: Solve for x
    x = 19,018,228.40/5,117.44
  6. Step 6: Final answer
    x = 3,716.36

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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.