Home / 8,720.10-13,052.07-6,090.84

Finding the Fourth Proportional to 8,720.10, 13,052.07 and 6,090.84

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Solution

The fourth proportional to 8,720.10, 13,052.07 and 6,090.84 is: 9,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.10 : 13,052.07 = 6,090.84 : x
  2. Step 2: Convert to fraction form
    8,720.10/13,052.07 = 6,090.84/x
  3. Step 3: Cross multiply
    8,720.10x = 13,052.07 × 6,090.84
  4. Step 4: Simplify right side
    8,720.10x = 79,498,070.04
  5. Step 5: Solve for x
    x = 79,498,070.04/8,720.10
  6. Step 6: Final answer
    x = 9,116.65

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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.