Home / 7,021.46-10,530.38-3,322.70

Finding the Fourth Proportional to 7,021.46, 10,530.38 and 3,322.70

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Solution

The fourth proportional to 7,021.46, 10,530.38 and 3,322.70 is: 4,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.46 : 10,530.38 = 3,322.70 : x
  2. Step 2: Convert to fraction form
    7,021.46/10,530.38 = 3,322.70/x
  3. Step 3: Cross multiply
    7,021.46x = 10,530.38 × 3,322.70
  4. Step 4: Simplify right side
    7,021.46x = 34,989,293.63
  5. Step 5: Solve for x
    x = 34,989,293.63/7,021.46
  6. Step 6: Final answer
    x = 4,983.19

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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.