Home / 4,913.21-6,778.59-2,922.64

Finding the Fourth Proportional to 4,913.21, 6,778.59 and 2,922.64

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Solution

The fourth proportional to 4,913.21, 6,778.59 and 2,922.64 is: 4,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.21 : 6,778.59 = 2,922.64 : x
  2. Step 2: Convert to fraction form
    4,913.21/6,778.59 = 2,922.64/x
  3. Step 3: Cross multiply
    4,913.21x = 6,778.59 × 2,922.64
  4. Step 4: Simplify right side
    4,913.21x = 19,811,350.37
  5. Step 5: Solve for x
    x = 19,811,350.37/4,913.21
  6. Step 6: Final answer
    x = 4,032.26

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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.