Home / 9,114.13-12,577.62-5,579.29

Finding the Fourth Proportional to 9,114.13, 12,577.62 and 5,579.29

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Solution

The fourth proportional to 9,114.13, 12,577.62 and 5,579.29 is: 7,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.13 : 12,577.62 = 5,579.29 : x
  2. Step 2: Convert to fraction form
    9,114.13/12,577.62 = 5,579.29/x
  3. Step 3: Cross multiply
    9,114.13x = 12,577.62 × 5,579.29
  4. Step 4: Simplify right side
    9,114.13x = 70,174,189.49
  5. Step 5: Solve for x
    x = 70,174,189.49/9,114.13
  6. Step 6: Final answer
    x = 7,699.49

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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.