Home / 5,457.92-8,189.32-2,860.26

Finding the Fourth Proportional to 5,457.92, 8,189.32 and 2,860.26

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Solution

The fourth proportional to 5,457.92, 8,189.32 and 2,860.26 is: 4,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.92 : 8,189.32 = 2,860.26 : x
  2. Step 2: Convert to fraction form
    5,457.92/8,189.32 = 2,860.26/x
  3. Step 3: Cross multiply
    5,457.92x = 8,189.32 × 2,860.26
  4. Step 4: Simplify right side
    5,457.92x = 23,423,584.42
  5. Step 5: Solve for x
    x = 23,423,584.42/5,457.92
  6. Step 6: Final answer
    x = 4,291.67

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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.