Home / 4,291.07-6,434.84-2,904.78

Finding the Fourth Proportional to 4,291.07, 6,434.84 and 2,904.78

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Solution

The fourth proportional to 4,291.07, 6,434.84 and 2,904.78 is: 4,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.07 : 6,434.84 = 2,904.78 : x
  2. Step 2: Convert to fraction form
    4,291.07/6,434.84 = 2,904.78/x
  3. Step 3: Cross multiply
    4,291.07x = 6,434.84 × 2,904.78
  4. Step 4: Simplify right side
    4,291.07x = 18,691,825.93
  5. Step 5: Solve for x
    x = 18,691,825.93/4,291.07
  6. Step 6: Final answer
    x = 4,355.99

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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.