Home / 7,084.82-10,627.80-6,988.88

Finding the Fourth Proportional to 7,084.82, 10,627.80 and 6,988.88

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Solution

The fourth proportional to 7,084.82, 10,627.80 and 6,988.88 is: 10,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.82 : 10,627.80 = 6,988.88 : x
  2. Step 2: Convert to fraction form
    7,084.82/10,627.80 = 6,988.88/x
  3. Step 3: Cross multiply
    7,084.82x = 10,627.80 × 6,988.88
  4. Step 4: Simplify right side
    7,084.82x = 74,276,418.86
  5. Step 5: Solve for x
    x = 74,276,418.86/7,084.82
  6. Step 6: Final answer
    x = 10,483.88

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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.