Home / 6,133.80-8,464.40-3,339.30

Finding the Fourth Proportional to 6,133.80, 8,464.40 and 3,339.30

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Solution

The fourth proportional to 6,133.80, 8,464.40 and 3,339.30 is: 4,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,133.80 : 8,464.40 = 3,339.30 : x
  2. Step 2: Convert to fraction form
    6,133.80/8,464.40 = 3,339.30/x
  3. Step 3: Cross multiply
    6,133.80x = 8,464.40 × 3,339.30
  4. Step 4: Simplify right side
    6,133.80x = 28,265,170.92
  5. Step 5: Solve for x
    x = 28,265,170.92/6,133.80
  6. Step 6: Final answer
    x = 4,608.10

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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.