Home / 5,031.51-6,945.98-3,144.14

Finding the Fourth Proportional to 5,031.51, 6,945.98 and 3,144.14

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Solution

The fourth proportional to 5,031.51, 6,945.98 and 3,144.14 is: 4,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.51 : 6,945.98 = 3,144.14 : x
  2. Step 2: Convert to fraction form
    5,031.51/6,945.98 = 3,144.14/x
  3. Step 3: Cross multiply
    5,031.51x = 6,945.98 × 3,144.14
  4. Step 4: Simplify right side
    5,031.51x = 21,839,098.83
  5. Step 5: Solve for x
    x = 21,839,098.83/5,031.51
  6. Step 6: Final answer
    x = 4,340.47

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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.