Home / 7,738.68-11,597.94-3,116.28

Finding the Fourth Proportional to 7,738.68, 11,597.94 and 3,116.28

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Solution

The fourth proportional to 7,738.68, 11,597.94 and 3,116.28 is: 4,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.68 : 11,597.94 = 3,116.28 : x
  2. Step 2: Convert to fraction form
    7,738.68/11,597.94 = 3,116.28/x
  3. Step 3: Cross multiply
    7,738.68x = 11,597.94 × 3,116.28
  4. Step 4: Simplify right side
    7,738.68x = 36,142,428.46
  5. Step 5: Solve for x
    x = 36,142,428.46/7,738.68
  6. Step 6: Final answer
    x = 4,670.36

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1.5x scale

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.