Home / 7,288.37-10,937.86-2,907.08

Finding the Fourth Proportional to 7,288.37, 10,937.86 and 2,907.08

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Solution

The fourth proportional to 7,288.37, 10,937.86 and 2,907.08 is: 4,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.37 : 10,937.86 = 2,907.08 : x
  2. Step 2: Convert to fraction form
    7,288.37/10,937.86 = 2,907.08/x
  3. Step 3: Cross multiply
    7,288.37x = 10,937.86 × 2,907.08
  4. Step 4: Simplify right side
    7,288.37x = 31,797,179.36
  5. Step 5: Solve for x
    x = 31,797,179.36/7,288.37
  6. Step 6: Final answer
    x = 4,362.73

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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.