Home / 5,623.16-8,419.55-3,770.28

Finding the Fourth Proportional to 5,623.16, 8,419.55 and 3,770.28

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Solution

The fourth proportional to 5,623.16, 8,419.55 and 3,770.28 is: 5,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.16 : 8,419.55 = 3,770.28 : x
  2. Step 2: Convert to fraction form
    5,623.16/8,419.55 = 3,770.28/x
  3. Step 3: Cross multiply
    5,623.16x = 8,419.55 × 3,770.28
  4. Step 4: Simplify right side
    5,623.16x = 31,744,042.12
  5. Step 5: Solve for x
    x = 31,744,042.12/5,623.16
  6. Step 6: Final answer
    x = 5,645.24

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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.