Home / 7,564.83-10,434.62-4,879.48

Finding the Fourth Proportional to 7,564.83, 10,434.62 and 4,879.48

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Solution

The fourth proportional to 7,564.83, 10,434.62 and 4,879.48 is: 6,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.83 : 10,434.62 = 4,879.48 : x
  2. Step 2: Convert to fraction form
    7,564.83/10,434.62 = 4,879.48/x
  3. Step 3: Cross multiply
    7,564.83x = 10,434.62 × 4,879.48
  4. Step 4: Simplify right side
    7,564.83x = 50,915,554.62
  5. Step 5: Solve for x
    x = 50,915,554.62/7,564.83
  6. Step 6: Final answer
    x = 6,730.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.