Home / 7,984.50-11,018.62-4,627.96

Finding the Fourth Proportional to 7,984.50, 11,018.62 and 4,627.96

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Solution

The fourth proportional to 7,984.50, 11,018.62 and 4,627.96 is: 6,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.50 : 11,018.62 = 4,627.96 : x
  2. Step 2: Convert to fraction form
    7,984.50/11,018.62 = 4,627.96/x
  3. Step 3: Cross multiply
    7,984.50x = 11,018.62 × 4,627.96
  4. Step 4: Simplify right side
    7,984.50x = 50,993,732.62
  5. Step 5: Solve for x
    x = 50,993,732.62/7,984.50
  6. Step 6: Final answer
    x = 6,386.59

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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.