Home / 7,021.90-10,526.68-2,865.42

Finding the Fourth Proportional to 7,021.90, 10,526.68 and 2,865.42

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Solution

The fourth proportional to 7,021.90, 10,526.68 and 2,865.42 is: 4,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.90 : 10,526.68 = 2,865.42 : x
  2. Step 2: Convert to fraction form
    7,021.90/10,526.68 = 2,865.42/x
  3. Step 3: Cross multiply
    7,021.90x = 10,526.68 × 2,865.42
  4. Step 4: Simplify right side
    7,021.90x = 30,163,352.24
  5. Step 5: Solve for x
    x = 30,163,352.24/7,021.90
  6. Step 6: Final answer
    x = 4,295.61

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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.