Home / 4,882.69-7,288.70-4,291.55

Finding the Fourth Proportional to 4,882.69, 7,288.70 and 4,291.55

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Solution

The fourth proportional to 4,882.69, 7,288.70 and 4,291.55 is: 6,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.69 : 7,288.70 = 4,291.55 : x
  2. Step 2: Convert to fraction form
    4,882.69/7,288.70 = 4,291.55/x
  3. Step 3: Cross multiply
    4,882.69x = 7,288.70 × 4,291.55
  4. Step 4: Simplify right side
    4,882.69x = 31,279,789.92
  5. Step 5: Solve for x
    x = 31,279,789.92/4,882.69
  6. Step 6: Final answer
    x = 6,406.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.