Home / 5,402.69-8,089.43-2,800.16

Finding the Fourth Proportional to 5,402.69, 8,089.43 and 2,800.16

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Solution

The fourth proportional to 5,402.69, 8,089.43 and 2,800.16 is: 4,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.69 : 8,089.43 = 2,800.16 : x
  2. Step 2: Convert to fraction form
    5,402.69/8,089.43 = 2,800.16/x
  3. Step 3: Cross multiply
    5,402.69x = 8,089.43 × 2,800.16
  4. Step 4: Simplify right side
    5,402.69x = 22,651,704.53
  5. Step 5: Solve for x
    x = 22,651,704.53/5,402.69
  6. Step 6: Final answer
    x = 4,192.67

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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.