Home / 4,206.98-6,314.36-2,128.46

Finding the Fourth Proportional to 4,206.98, 6,314.36 and 2,128.46

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Solution

The fourth proportional to 4,206.98, 6,314.36 and 2,128.46 is: 3,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.98 : 6,314.36 = 2,128.46 : x
  2. Step 2: Convert to fraction form
    4,206.98/6,314.36 = 2,128.46/x
  3. Step 3: Cross multiply
    4,206.98x = 6,314.36 × 2,128.46
  4. Step 4: Simplify right side
    4,206.98x = 13,439,862.69
  5. Step 5: Solve for x
    x = 13,439,862.69/4,206.98
  6. Step 6: Final answer
    x = 3,194.66

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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.