Home / 4,719.89-6,513.59-2,731.07

Finding the Fourth Proportional to 4,719.89, 6,513.59 and 2,731.07

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Solution

The fourth proportional to 4,719.89, 6,513.59 and 2,731.07 is: 3,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.89 : 6,513.59 = 2,731.07 : x
  2. Step 2: Convert to fraction form
    4,719.89/6,513.59 = 2,731.07/x
  3. Step 3: Cross multiply
    4,719.89x = 6,513.59 × 2,731.07
  4. Step 4: Simplify right side
    4,719.89x = 17,789,070.24
  5. Step 5: Solve for x
    x = 17,789,070.24/4,719.89
  6. Step 6: Final answer
    x = 3,768.96

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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.