Home / 7,680.47-11,526.86-3,522.44

Finding the Fourth Proportional to 7,680.47, 11,526.86 and 3,522.44

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Solution

The fourth proportional to 7,680.47, 11,526.86 and 3,522.44 is: 5,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.47 : 11,526.86 = 3,522.44 : x
  2. Step 2: Convert to fraction form
    7,680.47/11,526.86 = 3,522.44/x
  3. Step 3: Cross multiply
    7,680.47x = 11,526.86 × 3,522.44
  4. Step 4: Simplify right side
    7,680.47x = 40,602,625.71
  5. Step 5: Solve for x
    x = 40,602,625.71/7,680.47
  6. Step 6: Final answer
    x = 5,286.48

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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.