Home / 7,210.33-10,820.40-2,827.24

Finding the Fourth Proportional to 7,210.33, 10,820.40 and 2,827.24

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Solution

The fourth proportional to 7,210.33, 10,820.40 and 2,827.24 is: 4,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.33 : 10,820.40 = 2,827.24 : x
  2. Step 2: Convert to fraction form
    7,210.33/10,820.40 = 2,827.24/x
  3. Step 3: Cross multiply
    7,210.33x = 10,820.40 × 2,827.24
  4. Step 4: Simplify right side
    7,210.33x = 30,591,867.70
  5. Step 5: Solve for x
    x = 30,591,867.70/7,210.33
  6. Step 6: Final answer
    x = 4,242.78

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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.