Home / 4,620.60-6,369.84-2,851.02

Finding the Fourth Proportional to 4,620.60, 6,369.84 and 2,851.02

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Solution

The fourth proportional to 4,620.60, 6,369.84 and 2,851.02 is: 3,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.60 : 6,369.84 = 2,851.02 : x
  2. Step 2: Convert to fraction form
    4,620.60/6,369.84 = 2,851.02/x
  3. Step 3: Cross multiply
    4,620.60x = 6,369.84 × 2,851.02
  4. Step 4: Simplify right side
    4,620.60x = 18,160,541.24
  5. Step 5: Solve for x
    x = 18,160,541.24/4,620.60
  6. Step 6: Final answer
    x = 3,930.34

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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.