Home / 5,130.82-7,696.24-1,668.08

Finding the Fourth Proportional to 5,130.82, 7,696.24 and 1,668.08

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Solution

The fourth proportional to 5,130.82, 7,696.24 and 1,668.08 is: 2,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.82 : 7,696.24 = 1,668.08 : x
  2. Step 2: Convert to fraction form
    5,130.82/7,696.24 = 1,668.08/x
  3. Step 3: Cross multiply
    5,130.82x = 7,696.24 × 1,668.08
  4. Step 4: Simplify right side
    5,130.82x = 12,837,944.02
  5. Step 5: Solve for x
    x = 12,837,944.02/5,130.82
  6. Step 6: Final answer
    x = 2,502.12

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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.