Home / 5,015.04-6,921.72-2,919.48

Finding the Fourth Proportional to 5,015.04, 6,921.72 and 2,919.48

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Solution

The fourth proportional to 5,015.04, 6,921.72 and 2,919.48 is: 4,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.04 : 6,921.72 = 2,919.48 : x
  2. Step 2: Convert to fraction form
    5,015.04/6,921.72 = 2,919.48/x
  3. Step 3: Cross multiply
    5,015.04x = 6,921.72 × 2,919.48
  4. Step 4: Simplify right side
    5,015.04x = 20,207,823.11
  5. Step 5: Solve for x
    x = 20,207,823.11/5,015.04
  6. Step 6: Final answer
    x = 4,029.44

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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.