Home / 8,328.85-12,493.29-2,485.33

Finding the Fourth Proportional to 8,328.85, 12,493.29 and 2,485.33

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Solution

The fourth proportional to 8,328.85, 12,493.29 and 2,485.33 is: 3,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.85 : 12,493.29 = 2,485.33 : x
  2. Step 2: Convert to fraction form
    8,328.85/12,493.29 = 2,485.33/x
  3. Step 3: Cross multiply
    8,328.85x = 12,493.29 × 2,485.33
  4. Step 4: Simplify right side
    8,328.85x = 31,049,948.44
  5. Step 5: Solve for x
    x = 31,049,948.44/8,328.85
  6. Step 6: Final answer
    x = 3,728.00

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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.