Home / 8,181.10-12,271.38-2,337.70

Finding the Fourth Proportional to 8,181.10, 12,271.38 and 2,337.70

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Solution

The fourth proportional to 8,181.10, 12,271.38 and 2,337.70 is: 3,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.10 : 12,271.38 = 2,337.70 : x
  2. Step 2: Convert to fraction form
    8,181.10/12,271.38 = 2,337.70/x
  3. Step 3: Cross multiply
    8,181.10x = 12,271.38 × 2,337.70
  4. Step 4: Simplify right side
    8,181.10x = 28,686,805.03
  5. Step 5: Solve for x
    x = 28,686,805.03/8,181.10
  6. Step 6: Final answer
    x = 3,506.47

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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.