Home / 4,731.78-6,529.87-2,742.72

Finding the Fourth Proportional to 4,731.78, 6,529.87 and 2,742.72

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Solution

The fourth proportional to 4,731.78, 6,529.87 and 2,742.72 is: 3,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.78 : 6,529.87 = 2,742.72 : x
  2. Step 2: Convert to fraction form
    4,731.78/6,529.87 = 2,742.72/x
  3. Step 3: Cross multiply
    4,731.78x = 6,529.87 × 2,742.72
  4. Step 4: Simplify right side
    4,731.78x = 17,909,605.05
  5. Step 5: Solve for x
    x = 17,909,605.05/4,731.78
  6. Step 6: Final answer
    x = 3,784.96

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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.