Home / 9,110.94-13,666.38-2,871.48

Finding the Fourth Proportional to 9,110.94, 13,666.38 and 2,871.48

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Solution

The fourth proportional to 9,110.94, 13,666.38 and 2,871.48 is: 4,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.94 : 13,666.38 = 2,871.48 : x
  2. Step 2: Convert to fraction form
    9,110.94/13,666.38 = 2,871.48/x
  3. Step 3: Cross multiply
    9,110.94x = 13,666.38 × 2,871.48
  4. Step 4: Simplify right side
    9,110.94x = 39,242,668.51
  5. Step 5: Solve for x
    x = 39,242,668.51/9,110.94
  6. Step 6: Final answer
    x = 4,307.21

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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.