Home / 5,618.70-8,411.73-3,271.55

Finding the Fourth Proportional to 5,618.70, 8,411.73 and 3,271.55

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Solution

The fourth proportional to 5,618.70, 8,411.73 and 3,271.55 is: 4,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.70 : 8,411.73 = 3,271.55 : x
  2. Step 2: Convert to fraction form
    5,618.70/8,411.73 = 3,271.55/x
  3. Step 3: Cross multiply
    5,618.70x = 8,411.73 × 3,271.55
  4. Step 4: Simplify right side
    5,618.70x = 27,519,353.22
  5. Step 5: Solve for x
    x = 27,519,353.22/5,618.70
  6. Step 6: Final answer
    x = 4,897.82

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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.