Home / 8,187.02-12,280.51-2,343.62

Finding the Fourth Proportional to 8,187.02, 12,280.51 and 2,343.62

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Solution

The fourth proportional to 8,187.02, 12,280.51 and 2,343.62 is: 3,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.02 : 12,280.51 = 2,343.62 : x
  2. Step 2: Convert to fraction form
    8,187.02/12,280.51 = 2,343.62/x
  3. Step 3: Cross multiply
    8,187.02x = 12,280.51 × 2,343.62
  4. Step 4: Simplify right side
    8,187.02x = 28,780,848.85
  5. Step 5: Solve for x
    x = 28,780,848.85/8,187.02
  6. Step 6: Final answer
    x = 3,515.42

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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.