Home / 7,347.22-11,021.64-2,153.50

Finding the Fourth Proportional to 7,347.22, 11,021.64 and 2,153.50

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Solution

The fourth proportional to 7,347.22, 11,021.64 and 2,153.50 is: 3,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.22 : 11,021.64 = 2,153.50 : x
  2. Step 2: Convert to fraction form
    7,347.22/11,021.64 = 2,153.50/x
  3. Step 3: Cross multiply
    7,347.22x = 11,021.64 × 2,153.50
  4. Step 4: Simplify right side
    7,347.22x = 23,735,101.74
  5. Step 5: Solve for x
    x = 23,735,101.74/7,347.22
  6. Step 6: Final answer
    x = 3,230.49

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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.