Home / 4,847.21-6,688.58-2,722.26

Finding the Fourth Proportional to 4,847.21, 6,688.58 and 2,722.26

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Solution

The fourth proportional to 4,847.21, 6,688.58 and 2,722.26 is: 3,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.21 : 6,688.58 = 2,722.26 : x
  2. Step 2: Convert to fraction form
    4,847.21/6,688.58 = 2,722.26/x
  3. Step 3: Cross multiply
    4,847.21x = 6,688.58 × 2,722.26
  4. Step 4: Simplify right side
    4,847.21x = 18,208,040.18
  5. Step 5: Solve for x
    x = 18,208,040.18/4,847.21
  6. Step 6: Final answer
    x = 3,756.40

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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.