Home / 7,021.96-10,531.14-3,323.20

Finding the Fourth Proportional to 7,021.96, 10,531.14 and 3,323.20

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Solution

The fourth proportional to 7,021.96, 10,531.14 and 3,323.20 is: 4,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.96 : 10,531.14 = 3,323.20 : x
  2. Step 2: Convert to fraction form
    7,021.96/10,531.14 = 3,323.20/x
  3. Step 3: Cross multiply
    7,021.96x = 10,531.14 × 3,323.20
  4. Step 4: Simplify right side
    7,021.96x = 34,997,084.45
  5. Step 5: Solve for x
    x = 34,997,084.45/7,021.96
  6. Step 6: Final answer
    x = 4,983.95

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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.