Home / 6,918.68-10,378.06-5,697.72

Finding the Fourth Proportional to 6,918.68, 10,378.06 and 5,697.72

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Solution

The fourth proportional to 6,918.68, 10,378.06 and 5,697.72 is: 8,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.68 : 10,378.06 = 5,697.72 : x
  2. Step 2: Convert to fraction form
    6,918.68/10,378.06 = 5,697.72/x
  3. Step 3: Cross multiply
    6,918.68x = 10,378.06 × 5,697.72
  4. Step 4: Simplify right side
    6,918.68x = 59,131,280.02
  5. Step 5: Solve for x
    x = 59,131,280.02/6,918.68
  6. Step 6: Final answer
    x = 8,546.61

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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.