Home / 8,921.89-13,403.35-6,295.44

Finding the Fourth Proportional to 8,921.89, 13,403.35 and 6,295.44

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Solution

The fourth proportional to 8,921.89, 13,403.35 and 6,295.44 is: 9,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.89 : 13,403.35 = 6,295.44 : x
  2. Step 2: Convert to fraction form
    8,921.89/13,403.35 = 6,295.44/x
  3. Step 3: Cross multiply
    8,921.89x = 13,403.35 × 6,295.44
  4. Step 4: Simplify right side
    8,921.89x = 84,379,985.72
  5. Step 5: Solve for x
    x = 84,379,985.72/8,921.89
  6. Step 6: Final answer
    x = 9,457.64

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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.