Home / 8,219.08-12,326.76-2,374.40

Finding the Fourth Proportional to 8,219.08, 12,326.76 and 2,374.40

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Solution

The fourth proportional to 8,219.08, 12,326.76 and 2,374.40 is: 3,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.08 : 12,326.76 = 2,374.40 : x
  2. Step 2: Convert to fraction form
    8,219.08/12,326.76 = 2,374.40/x
  3. Step 3: Cross multiply
    8,219.08x = 12,326.76 × 2,374.40
  4. Step 4: Simplify right side
    8,219.08x = 29,268,658.94
  5. Step 5: Solve for x
    x = 29,268,658.94/8,219.08
  6. Step 6: Final answer
    x = 3,561.06

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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.