Home / 5,772.12-8,658.78-2,847.60

Finding the Fourth Proportional to 5,772.12, 8,658.78 and 2,847.60

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Solution

The fourth proportional to 5,772.12, 8,658.78 and 2,847.60 is: 4,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.12 : 8,658.78 = 2,847.60 : x
  2. Step 2: Convert to fraction form
    5,772.12/8,658.78 = 2,847.60/x
  3. Step 3: Cross multiply
    5,772.12x = 8,658.78 × 2,847.60
  4. Step 4: Simplify right side
    5,772.12x = 24,656,741.93
  5. Step 5: Solve for x
    x = 24,656,741.93/5,772.12
  6. Step 6: Final answer
    x = 4,271.70

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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.