Home / 4,558.68-6,291.18-2,989.80

Finding the Fourth Proportional to 4,558.68, 6,291.18 and 2,989.80

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Solution

The fourth proportional to 4,558.68, 6,291.18 and 2,989.80 is: 4,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.68 : 6,291.18 = 2,989.80 : x
  2. Step 2: Convert to fraction form
    4,558.68/6,291.18 = 2,989.80/x
  3. Step 3: Cross multiply
    4,558.68x = 6,291.18 × 2,989.80
  4. Step 4: Simplify right side
    4,558.68x = 18,809,369.96
  5. Step 5: Solve for x
    x = 18,809,369.96/4,558.68
  6. Step 6: Final answer
    x = 4,126.06

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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.