Home / 8,219.15-12,328.74-2,376.23

Finding the Fourth Proportional to 8,219.15, 12,328.74 and 2,376.23

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Solution

The fourth proportional to 8,219.15, 12,328.74 and 2,376.23 is: 3,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.15 : 12,328.74 = 2,376.23 : x
  2. Step 2: Convert to fraction form
    8,219.15/12,328.74 = 2,376.23/x
  3. Step 3: Cross multiply
    8,219.15x = 12,328.74 × 2,376.23
  4. Step 4: Simplify right side
    8,219.15x = 29,295,921.85
  5. Step 5: Solve for x
    x = 29,295,921.85/8,219.15
  6. Step 6: Final answer
    x = 3,564.35

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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.