Home / 6,145.20-9,222.60-2,858.70

Finding the Fourth Proportional to 6,145.20, 9,222.60 and 2,858.70

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Solution

The fourth proportional to 6,145.20, 9,222.60 and 2,858.70 is: 4,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.20 : 9,222.60 = 2,858.70 : x
  2. Step 2: Convert to fraction form
    6,145.20/9,222.60 = 2,858.70/x
  3. Step 3: Cross multiply
    6,145.20x = 9,222.60 × 2,858.70
  4. Step 4: Simplify right side
    6,145.20x = 26,364,646.62
  5. Step 5: Solve for x
    x = 26,364,646.62/6,145.20
  6. Step 6: Final answer
    x = 4,290.28

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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.