Home / 7,507.04-11,260.55-3,129.39

Finding the Fourth Proportional to 7,507.04, 11,260.55 and 3,129.39

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Solution

The fourth proportional to 7,507.04, 11,260.55 and 3,129.39 is: 4,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.04 : 11,260.55 = 3,129.39 : x
  2. Step 2: Convert to fraction form
    7,507.04/11,260.55 = 3,129.39/x
  3. Step 3: Cross multiply
    7,507.04x = 11,260.55 × 3,129.39
  4. Step 4: Simplify right side
    7,507.04x = 35,238,660.39
  5. Step 5: Solve for x
    x = 35,238,660.39/7,507.04
  6. Step 6: Final answer
    x = 4,694.09

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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.