Home / 5,424.19-8,133.40-2,500

Finding the Fourth Proportional to 5,424.19, 8,133.40 and 2,500

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Solution

The fourth proportional to 5,424.19, 8,133.40 and 2,500 is: 3,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.19 : 8,133.40 = 2,500 : x
  2. Step 2: Convert to fraction form
    5,424.19/8,133.40 = 2,500/x
  3. Step 3: Cross multiply
    5,424.19x = 8,133.40 × 2,500
  4. Step 4: Simplify right side
    5,424.19x = 20,333,500
  5. Step 5: Solve for x
    x = 20,333,500/5,424.19
  6. Step 6: Final answer
    x = 3,748.67

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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.