Home / 5,516.02-8,274.17-1,620.55

Finding the Fourth Proportional to 5,516.02, 8,274.17 and 1,620.55

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Solution

The fourth proportional to 5,516.02, 8,274.17 and 1,620.55 is: 2,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.02 : 8,274.17 = 1,620.55 : x
  2. Step 2: Convert to fraction form
    5,516.02/8,274.17 = 1,620.55/x
  3. Step 3: Cross multiply
    5,516.02x = 8,274.17 × 1,620.55
  4. Step 4: Simplify right side
    5,516.02x = 13,408,706.19
  5. Step 5: Solve for x
    x = 13,408,706.19/5,516.02
  6. Step 6: Final answer
    x = 2,430.87

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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.