Home / 9,013.05-13,509.99-5,317.02

Finding the Fourth Proportional to 9,013.05, 13,509.99 and 5,317.02

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Solution

The fourth proportional to 9,013.05, 13,509.99 and 5,317.02 is: 7,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.05 : 13,509.99 = 5,317.02 : x
  2. Step 2: Convert to fraction form
    9,013.05/13,509.99 = 5,317.02/x
  3. Step 3: Cross multiply
    9,013.05x = 13,509.99 × 5,317.02
  4. Step 4: Simplify right side
    9,013.05x = 71,832,887.03
  5. Step 5: Solve for x
    x = 71,832,887.03/9,013.05
  6. Step 6: Final answer
    x = 7,969.88

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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.