Home / 5,160.69-7,127.64-3,400.11

Finding the Fourth Proportional to 5,160.69, 7,127.64 and 3,400.11

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Solution

The fourth proportional to 5,160.69, 7,127.64 and 3,400.11 is: 4,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.69 : 7,127.64 = 3,400.11 : x
  2. Step 2: Convert to fraction form
    5,160.69/7,127.64 = 3,400.11/x
  3. Step 3: Cross multiply
    5,160.69x = 7,127.64 × 3,400.11
  4. Step 4: Simplify right side
    5,160.69x = 24,234,760.04
  5. Step 5: Solve for x
    x = 24,234,760.04/5,160.69
  6. Step 6: Final answer
    x = 4,696.03

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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.