Home / 8,757.52-13,129.32-5,055.56

Finding the Fourth Proportional to 8,757.52, 13,129.32 and 5,055.56

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Solution

The fourth proportional to 8,757.52, 13,129.32 and 5,055.56 is: 7,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.52 : 13,129.32 = 5,055.56 : x
  2. Step 2: Convert to fraction form
    8,757.52/13,129.32 = 5,055.56/x
  3. Step 3: Cross multiply
    8,757.52x = 13,129.32 × 5,055.56
  4. Step 4: Simplify right side
    8,757.52x = 66,376,065.02
  5. Step 5: Solve for x
    x = 66,376,065.02/8,757.52
  6. Step 6: Final answer
    x = 7,579.32

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1.5x scale

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.