Home / 6,917.89-10,380.48-3,017.74

Finding the Fourth Proportional to 6,917.89, 10,380.48 and 3,017.74

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Solution

The fourth proportional to 6,917.89, 10,380.48 and 3,017.74 is: 4,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.89 : 10,380.48 = 3,017.74 : x
  2. Step 2: Convert to fraction form
    6,917.89/10,380.48 = 3,017.74/x
  3. Step 3: Cross multiply
    6,917.89x = 10,380.48 × 3,017.74
  4. Step 4: Simplify right side
    6,917.89x = 31,325,589.72
  5. Step 5: Solve for x
    x = 31,325,589.72/6,917.89
  6. Step 6: Final answer
    x = 4,528.20

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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.