Home / 8,720.02-13,076.58-3,170.34

Finding the Fourth Proportional to 8,720.02, 13,076.58 and 3,170.34

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Solution

The fourth proportional to 8,720.02, 13,076.58 and 3,170.34 is: 4,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.02 : 13,076.58 = 3,170.34 : x
  2. Step 2: Convert to fraction form
    8,720.02/13,076.58 = 3,170.34/x
  3. Step 3: Cross multiply
    8,720.02x = 13,076.58 × 3,170.34
  4. Step 4: Simplify right side
    8,720.02x = 41,457,204.64
  5. Step 5: Solve for x
    x = 41,457,204.64/8,720.02
  6. Step 6: Final answer
    x = 4,754.26

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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.