Home / 6,945.65-10,416.17-2,015.45

Finding the Fourth Proportional to 6,945.65, 10,416.17 and 2,015.45

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Solution

The fourth proportional to 6,945.65, 10,416.17 and 2,015.45 is: 3,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.65 : 10,416.17 = 2,015.45 : x
  2. Step 2: Convert to fraction form
    6,945.65/10,416.17 = 2,015.45/x
  3. Step 3: Cross multiply
    6,945.65x = 10,416.17 × 2,015.45
  4. Step 4: Simplify right side
    6,945.65x = 20,993,269.83
  5. Step 5: Solve for x
    x = 20,993,269.83/6,945.65
  6. Step 6: Final answer
    x = 3,022.51

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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.