Home / 7,260.21-10,020.69-4,428.54

Finding the Fourth Proportional to 7,260.21, 10,020.69 and 4,428.54

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Solution

The fourth proportional to 7,260.21, 10,020.69 and 4,428.54 is: 6,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.21 : 10,020.69 = 4,428.54 : x
  2. Step 2: Convert to fraction form
    7,260.21/10,020.69 = 4,428.54/x
  3. Step 3: Cross multiply
    7,260.21x = 10,020.69 × 4,428.54
  4. Step 4: Simplify right side
    7,260.21x = 44,377,026.49
  5. Step 5: Solve for x
    x = 44,377,026.49/7,260.21
  6. Step 6: Final answer
    x = 6,112.36

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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.