Home / 5,808.21-8,022.56-5,720.73

Finding the Fourth Proportional to 5,808.21, 8,022.56 and 5,720.73

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Solution

The fourth proportional to 5,808.21, 8,022.56 and 5,720.73 is: 7,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.21 : 8,022.56 = 5,720.73 : x
  2. Step 2: Convert to fraction form
    5,808.21/8,022.56 = 5,720.73/x
  3. Step 3: Cross multiply
    5,808.21x = 8,022.56 × 5,720.73
  4. Step 4: Simplify right side
    5,808.21x = 45,894,871.07
  5. Step 5: Solve for x
    x = 45,894,871.07/5,808.21
  6. Step 6: Final answer
    x = 7,901.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.