Home / 4,698.78-6,484.21-2,709.28

Finding the Fourth Proportional to 4,698.78, 6,484.21 and 2,709.28

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Solution

The fourth proportional to 4,698.78, 6,484.21 and 2,709.28 is: 3,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.78 : 6,484.21 = 2,709.28 : x
  2. Step 2: Convert to fraction form
    4,698.78/6,484.21 = 2,709.28/x
  3. Step 3: Cross multiply
    4,698.78x = 6,484.21 × 2,709.28
  4. Step 4: Simplify right side
    4,698.78x = 17,567,540.47
  5. Step 5: Solve for x
    x = 17,567,540.47/4,698.78
  6. Step 6: Final answer
    x = 3,738.75

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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.