Home / 6,345.80-8,757.06-3,551.32

Finding the Fourth Proportional to 6,345.80, 8,757.06 and 3,551.32

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Solution

The fourth proportional to 6,345.80, 8,757.06 and 3,551.32 is: 4,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.80 : 8,757.06 = 3,551.32 : x
  2. Step 2: Convert to fraction form
    6,345.80/8,757.06 = 3,551.32/x
  3. Step 3: Cross multiply
    6,345.80x = 8,757.06 × 3,551.32
  4. Step 4: Simplify right side
    6,345.80x = 31,099,122.32
  5. Step 5: Solve for x
    x = 31,099,122.32/6,345.80
  6. Step 6: Final answer
    x = 4,900.74

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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.