Home / 7,904.48-11,843.76-5,828.72

Finding the Fourth Proportional to 7,904.48, 11,843.76 and 5,828.72

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Solution

The fourth proportional to 7,904.48, 11,843.76 and 5,828.72 is: 8,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.48 : 11,843.76 = 5,828.72 : x
  2. Step 2: Convert to fraction form
    7,904.48/11,843.76 = 5,828.72/x
  3. Step 3: Cross multiply
    7,904.48x = 11,843.76 × 5,828.72
  4. Step 4: Simplify right side
    7,904.48x = 69,033,960.79
  5. Step 5: Solve for x
    x = 69,033,960.79/7,904.48
  6. Step 6: Final answer
    x = 8,733.52

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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.