Home / 4,152.80-6,229.07-1,686.89

Finding the Fourth Proportional to 4,152.80, 6,229.07 and 1,686.89

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Solution

The fourth proportional to 4,152.80, 6,229.07 and 1,686.89 is: 2,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.80 : 6,229.07 = 1,686.89 : x
  2. Step 2: Convert to fraction form
    4,152.80/6,229.07 = 1,686.89/x
  3. Step 3: Cross multiply
    4,152.80x = 6,229.07 × 1,686.89
  4. Step 4: Simplify right side
    4,152.80x = 10,507,747.46
  5. Step 5: Solve for x
    x = 10,507,747.46/4,152.80
  6. Step 6: Final answer
    x = 2,530.28

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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.