Home / 8,328.96-12,495.60-2,485.44

Finding the Fourth Proportional to 8,328.96, 12,495.60 and 2,485.44

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Solution

The fourth proportional to 8,328.96, 12,495.60 and 2,485.44 is: 3,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.96 : 12,495.60 = 2,485.44 : x
  2. Step 2: Convert to fraction form
    8,328.96/12,495.60 = 2,485.44/x
  3. Step 3: Cross multiply
    8,328.96x = 12,495.60 × 2,485.44
  4. Step 4: Simplify right side
    8,328.96x = 31,057,064.06
  5. Step 5: Solve for x
    x = 31,057,064.06/8,328.96
  6. Step 6: Final answer
    x = 3,728.80

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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.