Home / 7,288.58-10,924.36-2,907.30

Finding the Fourth Proportional to 7,288.58, 10,924.36 and 2,907.30

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Solution

The fourth proportional to 7,288.58, 10,924.36 and 2,907.30 is: 4,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.58 : 10,924.36 = 2,907.30 : x
  2. Step 2: Convert to fraction form
    7,288.58/10,924.36 = 2,907.30/x
  3. Step 3: Cross multiply
    7,288.58x = 10,924.36 × 2,907.30
  4. Step 4: Simplify right side
    7,288.58x = 31,760,391.83
  5. Step 5: Solve for x
    x = 31,760,391.83/7,288.58
  6. Step 6: Final answer
    x = 4,357.56

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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.