Home / 6,544.96-9,031.16-3,891.40

Finding the Fourth Proportional to 6,544.96, 9,031.16 and 3,891.40

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Solution

The fourth proportional to 6,544.96, 9,031.16 and 3,891.40 is: 5,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,544.96 : 9,031.16 = 3,891.40 : x
  2. Step 2: Convert to fraction form
    6,544.96/9,031.16 = 3,891.40/x
  3. Step 3: Cross multiply
    6,544.96x = 9,031.16 × 3,891.40
  4. Step 4: Simplify right side
    6,544.96x = 35,143,856.02
  5. Step 5: Solve for x
    x = 35,143,856.02/6,544.96
  6. Step 6: Final answer
    x = 5,369.61

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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.