Home / 4,179.40-6,259.86-1,706.72

Finding the Fourth Proportional to 4,179.40, 6,259.86 and 1,706.72

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Solution

The fourth proportional to 4,179.40, 6,259.86 and 1,706.72 is: 2,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.40 : 6,259.86 = 1,706.72 : x
  2. Step 2: Convert to fraction form
    4,179.40/6,259.86 = 1,706.72/x
  3. Step 3: Cross multiply
    4,179.40x = 6,259.86 × 1,706.72
  4. Step 4: Simplify right side
    4,179.40x = 10,683,835.38
  5. Step 5: Solve for x
    x = 10,683,835.38/4,179.40
  6. Step 6: Final answer
    x = 2,556.31

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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.