Home / 7,208.22-9,947.12-4,021.59

Finding the Fourth Proportional to 7,208.22, 9,947.12 and 4,021.59

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Solution

The fourth proportional to 7,208.22, 9,947.12 and 4,021.59 is: 5,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.22 : 9,947.12 = 4,021.59 : x
  2. Step 2: Convert to fraction form
    7,208.22/9,947.12 = 4,021.59/x
  3. Step 3: Cross multiply
    7,208.22x = 9,947.12 × 4,021.59
  4. Step 4: Simplify right side
    7,208.22x = 40,003,255.51
  5. Step 5: Solve for x
    x = 40,003,255.51/7,208.22
  6. Step 6: Final answer
    x = 5,549.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.