Home / 6,271.19-9,408.30-3,143.42

Finding the Fourth Proportional to 6,271.19, 9,408.30 and 3,143.42

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Solution

The fourth proportional to 6,271.19, 9,408.30 and 3,143.42 is: 4,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.19 : 9,408.30 = 3,143.42 : x
  2. Step 2: Convert to fraction form
    6,271.19/9,408.30 = 3,143.42/x
  3. Step 3: Cross multiply
    6,271.19x = 9,408.30 × 3,143.42
  4. Step 4: Simplify right side
    6,271.19x = 29,574,285.44
  5. Step 5: Solve for x
    x = 29,574,285.44/6,271.19
  6. Step 6: Final answer
    x = 4,715.90

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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.