Home / 5,274.72-7,911.44-4,402.80

Finding the Fourth Proportional to 5,274.72, 7,911.44 and 4,402.80

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Solution

The fourth proportional to 5,274.72, 7,911.44 and 4,402.80 is: 6,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.72 : 7,911.44 = 4,402.80 : x
  2. Step 2: Convert to fraction form
    5,274.72/7,911.44 = 4,402.80/x
  3. Step 3: Cross multiply
    5,274.72x = 7,911.44 × 4,402.80
  4. Step 4: Simplify right side
    5,274.72x = 34,832,488.03
  5. Step 5: Solve for x
    x = 34,832,488.03/5,274.72
  6. Step 6: Final answer
    x = 6,603.67

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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.