Home / 5,771.50-8,650.41-2,648.87

Finding the Fourth Proportional to 5,771.50, 8,650.41 and 2,648.87

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Solution

The fourth proportional to 5,771.50, 8,650.41 and 2,648.87 is: 3,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.50 : 8,650.41 = 2,648.87 : x
  2. Step 2: Convert to fraction form
    5,771.50/8,650.41 = 2,648.87/x
  3. Step 3: Cross multiply
    5,771.50x = 8,650.41 × 2,648.87
  4. Step 4: Simplify right side
    5,771.50x = 22,913,798.29
  5. Step 5: Solve for x
    x = 22,913,798.29/5,771.50
  6. Step 6: Final answer
    x = 3,970.17

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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.