Home / 4,791.60-6,611.63-2,774.30

Finding the Fourth Proportional to 4,791.60, 6,611.63 and 2,774.30

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Solution

The fourth proportional to 4,791.60, 6,611.63 and 2,774.30 is: 3,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.60 : 6,611.63 = 2,774.30 : x
  2. Step 2: Convert to fraction form
    4,791.60/6,611.63 = 2,774.30/x
  3. Step 3: Cross multiply
    4,791.60x = 6,611.63 × 2,774.30
  4. Step 4: Simplify right side
    4,791.60x = 18,342,598.18
  5. Step 5: Solve for x
    x = 18,342,598.18/4,791.60
  6. Step 6: Final answer
    x = 3,828.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.