Home / 5,483.71-8,220.49-2,670.87

Finding the Fourth Proportional to 5,483.71, 8,220.49 and 2,670.87

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Solution

The fourth proportional to 5,483.71, 8,220.49 and 2,670.87 is: 4,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.71 : 8,220.49 = 2,670.87 : x
  2. Step 2: Convert to fraction form
    5,483.71/8,220.49 = 2,670.87/x
  3. Step 3: Cross multiply
    5,483.71x = 8,220.49 × 2,670.87
  4. Step 4: Simplify right side
    5,483.71x = 21,955,846.77
  5. Step 5: Solve for x
    x = 21,955,846.77/5,483.71
  6. Step 6: Final answer
    x = 4,003.83

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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.