Home / 6,881.49-9,496.63-3,897.28

Finding the Fourth Proportional to 6,881.49, 9,496.63 and 3,897.28

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Solution

The fourth proportional to 6,881.49, 9,496.63 and 3,897.28 is: 5,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.49 : 9,496.63 = 3,897.28 : x
  2. Step 2: Convert to fraction form
    6,881.49/9,496.63 = 3,897.28/x
  3. Step 3: Cross multiply
    6,881.49x = 9,496.63 × 3,897.28
  4. Step 4: Simplify right side
    6,881.49x = 37,010,959.20
  5. Step 5: Solve for x
    x = 37,010,959.20/6,881.49
  6. Step 6: Final answer
    x = 5,378.34

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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.