Home / 4,719.80-6,513.55-2,730.98

Finding the Fourth Proportional to 4,719.80, 6,513.55 and 2,730.98

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Solution

The fourth proportional to 4,719.80, 6,513.55 and 2,730.98 is: 3,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.80 : 6,513.55 = 2,730.98 : x
  2. Step 2: Convert to fraction form
    4,719.80/6,513.55 = 2,730.98/x
  3. Step 3: Cross multiply
    4,719.80x = 6,513.55 × 2,730.98
  4. Step 4: Simplify right side
    4,719.80x = 17,788,384.24
  5. Step 5: Solve for x
    x = 17,788,384.24/4,719.80
  6. Step 6: Final answer
    x = 3,768.88

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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.