Home / 5,130.04-7,696.26-2,208.64

Finding the Fourth Proportional to 5,130.04, 7,696.26 and 2,208.64

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Solution

The fourth proportional to 5,130.04, 7,696.26 and 2,208.64 is: 3,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.04 : 7,696.26 = 2,208.64 : x
  2. Step 2: Convert to fraction form
    5,130.04/7,696.26 = 2,208.64/x
  3. Step 3: Cross multiply
    5,130.04x = 7,696.26 × 2,208.64
  4. Step 4: Simplify right side
    5,130.04x = 16,998,267.69
  5. Step 5: Solve for x
    x = 16,998,267.69/5,130.04
  6. Step 6: Final answer
    x = 3,313.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.