Home / 7,220.34-10,830.05-3,057.75

Finding the Fourth Proportional to 7,220.34, 10,830.05 and 3,057.75

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Solution

The fourth proportional to 7,220.34, 10,830.05 and 3,057.75 is: 4,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.34 : 10,830.05 = 3,057.75 : x
  2. Step 2: Convert to fraction form
    7,220.34/10,830.05 = 3,057.75/x
  3. Step 3: Cross multiply
    7,220.34x = 10,830.05 × 3,057.75
  4. Step 4: Simplify right side
    7,220.34x = 33,115,515.95
  5. Step 5: Solve for x
    x = 33,115,515.95/7,220.34
  6. Step 6: Final answer
    x = 4,586.42

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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.