Home / 8,132.02-12,192.90-3,972.40

Finding the Fourth Proportional to 8,132.02, 12,192.90 and 3,972.40

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Solution

The fourth proportional to 8,132.02, 12,192.90 and 3,972.40 is: 5,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.02 : 12,192.90 = 3,972.40 : x
  2. Step 2: Convert to fraction form
    8,132.02/12,192.90 = 3,972.40/x
  3. Step 3: Cross multiply
    8,132.02x = 12,192.90 × 3,972.40
  4. Step 4: Simplify right side
    8,132.02x = 48,435,075.96
  5. Step 5: Solve for x
    x = 48,435,075.96/8,132.02
  6. Step 6: Final answer
    x = 5,956.09

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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.