Home / 4,200.98-6,299.61-1,278.60

Finding the Fourth Proportional to 4,200.98, 6,299.61 and 1,278.60

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Solution

The fourth proportional to 4,200.98, 6,299.61 and 1,278.60 is: 1,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.98 : 6,299.61 = 1,278.60 : x
  2. Step 2: Convert to fraction form
    4,200.98/6,299.61 = 1,278.60/x
  3. Step 3: Cross multiply
    4,200.98x = 6,299.61 × 1,278.60
  4. Step 4: Simplify right side
    4,200.98x = 8,054,681.35
  5. Step 5: Solve for x
    x = 8,054,681.35/4,200.98
  6. Step 6: Final answer
    x = 1,917.34

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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.