Home / 5,015.18-6,919.04-3,865.71

Finding the Fourth Proportional to 5,015.18, 6,919.04 and 3,865.71

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Solution

The fourth proportional to 5,015.18, 6,919.04 and 3,865.71 is: 5,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.18 : 6,919.04 = 3,865.71 : x
  2. Step 2: Convert to fraction form
    5,015.18/6,919.04 = 3,865.71/x
  3. Step 3: Cross multiply
    5,015.18x = 6,919.04 × 3,865.71
  4. Step 4: Simplify right side
    5,015.18x = 26,746,982.79
  5. Step 5: Solve for x
    x = 26,746,982.79/5,015.18
  6. Step 6: Final answer
    x = 5,333.21

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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.