Home / 5,768.12-8,650.14-1,871.56

Finding the Fourth Proportional to 5,768.12, 8,650.14 and 1,871.56

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Solution

The fourth proportional to 5,768.12, 8,650.14 and 1,871.56 is: 2,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.12 : 8,650.14 = 1,871.56 : x
  2. Step 2: Convert to fraction form
    5,768.12/8,650.14 = 1,871.56/x
  3. Step 3: Cross multiply
    5,768.12x = 8,650.14 × 1,871.56
  4. Step 4: Simplify right side
    5,768.12x = 16,189,256.02
  5. Step 5: Solve for x
    x = 16,189,256.02/5,768.12
  6. Step 6: Final answer
    x = 2,806.68

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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.