Home / 4,076.60-6,115.35-1,302.80

Finding the Fourth Proportional to 4,076.60, 6,115.35 and 1,302.80

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Solution

The fourth proportional to 4,076.60, 6,115.35 and 1,302.80 is: 1,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.60 : 6,115.35 = 1,302.80 : x
  2. Step 2: Convert to fraction form
    4,076.60/6,115.35 = 1,302.80/x
  3. Step 3: Cross multiply
    4,076.60x = 6,115.35 × 1,302.80
  4. Step 4: Simplify right side
    4,076.60x = 7,967,077.98
  5. Step 5: Solve for x
    x = 7,967,077.98/4,076.60
  6. Step 6: Final answer
    x = 1,954.34

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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.