Home / 4,142.50-6,213.70-1,677.30

Finding the Fourth Proportional to 4,142.50, 6,213.70 and 1,677.30

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Solution

The fourth proportional to 4,142.50, 6,213.70 and 1,677.30 is: 2,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.50 : 6,213.70 = 1,677.30 : x
  2. Step 2: Convert to fraction form
    4,142.50/6,213.70 = 1,677.30/x
  3. Step 3: Cross multiply
    4,142.50x = 6,213.70 × 1,677.30
  4. Step 4: Simplify right side
    4,142.50x = 10,422,239.01
  5. Step 5: Solve for x
    x = 10,422,239.01/4,142.50
  6. Step 6: Final answer
    x = 2,515.93

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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.