Home / 4,708.44-7,063.58-1,421.40

Finding the Fourth Proportional to 4,708.44, 7,063.58 and 1,421.40

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Solution

The fourth proportional to 4,708.44, 7,063.58 and 1,421.40 is: 2,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.44 : 7,063.58 = 1,421.40 : x
  2. Step 2: Convert to fraction form
    4,708.44/7,063.58 = 1,421.40/x
  3. Step 3: Cross multiply
    4,708.44x = 7,063.58 × 1,421.40
  4. Step 4: Simplify right side
    4,708.44x = 10,040,172.61
  5. Step 5: Solve for x
    x = 10,040,172.61/4,708.44
  6. Step 6: Final answer
    x = 2,132.38

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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.