Home / 8,328.63-12,492.86-2,485.29

Finding the Fourth Proportional to 8,328.63, 12,492.86 and 2,485.29

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Solution

The fourth proportional to 8,328.63, 12,492.86 and 2,485.29 is: 3,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.63 : 12,492.86 = 2,485.29 : x
  2. Step 2: Convert to fraction form
    8,328.63/12,492.86 = 2,485.29/x
  3. Step 3: Cross multiply
    8,328.63x = 12,492.86 × 2,485.29
  4. Step 4: Simplify right side
    8,328.63x = 31,048,367.60
  5. Step 5: Solve for x
    x = 31,048,367.60/8,328.63
  6. Step 6: Final answer
    x = 3,727.91

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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.