Home / 5,518.02-8,277.18-1,622.55

Finding the Fourth Proportional to 5,518.02, 8,277.18 and 1,622.55

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Solution

The fourth proportional to 5,518.02, 8,277.18 and 1,622.55 is: 2,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.02 : 8,277.18 = 1,622.55 : x
  2. Step 2: Convert to fraction form
    5,518.02/8,277.18 = 1,622.55/x
  3. Step 3: Cross multiply
    5,518.02x = 8,277.18 × 1,622.55
  4. Step 4: Simplify right side
    5,518.02x = 13,430,138.41
  5. Step 5: Solve for x
    x = 13,430,138.41/5,518.02
  6. Step 6: Final answer
    x = 2,433.87

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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.