Home / 5,515.47-8,266.73-4,271.31

Finding the Fourth Proportional to 5,515.47, 8,266.73 and 4,271.31

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Solution

The fourth proportional to 5,515.47, 8,266.73 and 4,271.31 is: 6,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.47 : 8,266.73 = 4,271.31 : x
  2. Step 2: Convert to fraction form
    5,515.47/8,266.73 = 4,271.31/x
  3. Step 3: Cross multiply
    5,515.47x = 8,266.73 × 4,271.31
  4. Step 4: Simplify right side
    5,515.47x = 35,309,745.16
  5. Step 5: Solve for x
    x = 35,309,745.16/5,515.47
  6. Step 6: Final answer
    x = 6,401.95

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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.