Home / 8,990.02-13,484.60-3,445.96

Finding the Fourth Proportional to 8,990.02, 13,484.60 and 3,445.96

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Solution

The fourth proportional to 8,990.02, 13,484.60 and 3,445.96 is: 5,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.02 : 13,484.60 = 3,445.96 : x
  2. Step 2: Convert to fraction form
    8,990.02/13,484.60 = 3,445.96/x
  3. Step 3: Cross multiply
    8,990.02x = 13,484.60 × 3,445.96
  4. Step 4: Simplify right side
    8,990.02x = 46,467,392.22
  5. Step 5: Solve for x
    x = 46,467,392.22/8,990.02
  6. Step 6: Final answer
    x = 5,168.78

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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.