Home / 6,447.48-8,898.26-3,615.62

Finding the Fourth Proportional to 6,447.48, 8,898.26 and 3,615.62

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Solution

The fourth proportional to 6,447.48, 8,898.26 and 3,615.62 is: 4,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.48 : 8,898.26 = 3,615.62 : x
  2. Step 2: Convert to fraction form
    6,447.48/8,898.26 = 3,615.62/x
  3. Step 3: Cross multiply
    6,447.48x = 8,898.26 × 3,615.62
  4. Step 4: Simplify right side
    6,447.48x = 32,172,664.25
  5. Step 5: Solve for x
    x = 32,172,664.25/6,447.48
  6. Step 6: Final answer
    x = 4,989.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.