Home / 4,120.64-6,178.08-1,522.88

Finding the Fourth Proportional to 4,120.64, 6,178.08 and 1,522.88

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Solution

The fourth proportional to 4,120.64, 6,178.08 and 1,522.88 is: 2,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.64 : 6,178.08 = 1,522.88 : x
  2. Step 2: Convert to fraction form
    4,120.64/6,178.08 = 1,522.88/x
  3. Step 3: Cross multiply
    4,120.64x = 6,178.08 × 1,522.88
  4. Step 4: Simplify right side
    4,120.64x = 9,408,474.47
  5. Step 5: Solve for x
    x = 9,408,474.47/4,120.64
  6. Step 6: Final answer
    x = 2,283.26

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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.