Home / 4,884.36-7,326.63-1,421.70

Finding the Fourth Proportional to 4,884.36, 7,326.63 and 1,421.70

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Solution

The fourth proportional to 4,884.36, 7,326.63 and 1,421.70 is: 2,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.36 : 7,326.63 = 1,421.70 : x
  2. Step 2: Convert to fraction form
    4,884.36/7,326.63 = 1,421.70/x
  3. Step 3: Cross multiply
    4,884.36x = 7,326.63 × 1,421.70
  4. Step 4: Simplify right side
    4,884.36x = 10,416,269.87
  5. Step 5: Solve for x
    x = 10,416,269.87/4,884.36
  6. Step 6: Final answer
    x = 2,132.58

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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.