Home / 5,117.30-7,665.15-4,015.70

Finding the Fourth Proportional to 5,117.30, 7,665.15 and 4,015.70

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Solution

The fourth proportional to 5,117.30, 7,665.15 and 4,015.70 is: 6,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.30 : 7,665.15 = 4,015.70 : x
  2. Step 2: Convert to fraction form
    5,117.30/7,665.15 = 4,015.70/x
  3. Step 3: Cross multiply
    5,117.30x = 7,665.15 × 4,015.70
  4. Step 4: Simplify right side
    5,117.30x = 30,780,942.86
  5. Step 5: Solve for x
    x = 30,780,942.86/5,117.30
  6. Step 6: Final answer
    x = 6,015.07

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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.