Home / 5,847.77-8,771.50-2,148.40

Finding the Fourth Proportional to 5,847.77, 8,771.50 and 2,148.40

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Solution

The fourth proportional to 5,847.77, 8,771.50 and 2,148.40 is: 3,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.77 : 8,771.50 = 2,148.40 : x
  2. Step 2: Convert to fraction form
    5,847.77/8,771.50 = 2,148.40/x
  3. Step 3: Cross multiply
    5,847.77x = 8,771.50 × 2,148.40
  4. Step 4: Simplify right side
    5,847.77x = 18,844,641.37
  5. Step 5: Solve for x
    x = 18,844,641.37/5,847.77
  6. Step 6: Final answer
    x = 3,222.54

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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.