Home / 6,290.08-8,660.56-5,343.88

Finding the Fourth Proportional to 6,290.08, 8,660.56 and 5,343.88

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Solution

The fourth proportional to 6,290.08, 8,660.56 and 5,343.88 is: 7,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.08 : 8,660.56 = 5,343.88 : x
  2. Step 2: Convert to fraction form
    6,290.08/8,660.56 = 5,343.88/x
  3. Step 3: Cross multiply
    6,290.08x = 8,660.56 × 5,343.88
  4. Step 4: Simplify right side
    6,290.08x = 46,280,993.37
  5. Step 5: Solve for x
    x = 46,280,993.37/6,290.08
  6. Step 6: Final answer
    x = 7,357.78

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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.