Home / 5,617.55-8,431.43-2,846.15

Finding the Fourth Proportional to 5,617.55, 8,431.43 and 2,846.15

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Solution

The fourth proportional to 5,617.55, 8,431.43 and 2,846.15 is: 4,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.55 : 8,431.43 = 2,846.15 : x
  2. Step 2: Convert to fraction form
    5,617.55/8,431.43 = 2,846.15/x
  3. Step 3: Cross multiply
    5,617.55x = 8,431.43 × 2,846.15
  4. Step 4: Simplify right side
    5,617.55x = 23,997,114.49
  5. Step 5: Solve for x
    x = 23,997,114.49/5,617.55
  6. Step 6: Final answer
    x = 4,271.81

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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.