Home / 5,015.23-6,918.69-3,247.42

Finding the Fourth Proportional to 5,015.23, 6,918.69 and 3,247.42

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Solution

The fourth proportional to 5,015.23, 6,918.69 and 3,247.42 is: 4,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.23 : 6,918.69 = 3,247.42 : x
  2. Step 2: Convert to fraction form
    5,015.23/6,918.69 = 3,247.42/x
  3. Step 3: Cross multiply
    5,015.23x = 6,918.69 × 3,247.42
  4. Step 4: Simplify right side
    5,015.23x = 22,467,892.28
  5. Step 5: Solve for x
    x = 22,467,892.28/5,015.23
  6. Step 6: Final answer
    x = 4,479.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.