Home / 7,262.90-10,898.31-2,820.76

Finding the Fourth Proportional to 7,262.90, 10,898.31 and 2,820.76

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Solution

The fourth proportional to 7,262.90, 10,898.31 and 2,820.76 is: 4,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.90 : 10,898.31 = 2,820.76 : x
  2. Step 2: Convert to fraction form
    7,262.90/10,898.31 = 2,820.76/x
  3. Step 3: Cross multiply
    7,262.90x = 10,898.31 × 2,820.76
  4. Step 4: Simplify right side
    7,262.90x = 30,741,500.25
  5. Step 5: Solve for x
    x = 30,741,500.25/7,262.90
  6. Step 6: Final answer
    x = 4,232.68

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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.