Home / 4,719.59-6,513.96-2,730.78

Finding the Fourth Proportional to 4,719.59, 6,513.96 and 2,730.78

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Solution

The fourth proportional to 4,719.59, 6,513.96 and 2,730.78 is: 3,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.59 : 6,513.96 = 2,730.78 : x
  2. Step 2: Convert to fraction form
    4,719.59/6,513.96 = 2,730.78/x
  3. Step 3: Cross multiply
    4,719.59x = 6,513.96 × 2,730.78
  4. Step 4: Simplify right side
    4,719.59x = 17,788,191.69
  5. Step 5: Solve for x
    x = 17,788,191.69/4,719.59
  6. Step 6: Final answer
    x = 3,769.02

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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.