Home / 4,686.20-7,022.90-3,822.20

Finding the Fourth Proportional to 4,686.20, 7,022.90 and 3,822.20

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Solution

The fourth proportional to 4,686.20, 7,022.90 and 3,822.20 is: 5,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.20 : 7,022.90 = 3,822.20 : x
  2. Step 2: Convert to fraction form
    4,686.20/7,022.90 = 3,822.20/x
  3. Step 3: Cross multiply
    4,686.20x = 7,022.90 × 3,822.20
  4. Step 4: Simplify right side
    4,686.20x = 26,842,928.38
  5. Step 5: Solve for x
    x = 26,842,928.38/4,686.20
  6. Step 6: Final answer
    x = 5,728.08

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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.