Home / 4,914.70-7,372.05-1,216.93

Finding the Fourth Proportional to 4,914.70, 7,372.05 and 1,216.93

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Solution

The fourth proportional to 4,914.70, 7,372.05 and 1,216.93 is: 1,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.70 : 7,372.05 = 1,216.93 : x
  2. Step 2: Convert to fraction form
    4,914.70/7,372.05 = 1,216.93/x
  3. Step 3: Cross multiply
    4,914.70x = 7,372.05 × 1,216.93
  4. Step 4: Simplify right side
    4,914.70x = 8,971,268.81
  5. Step 5: Solve for x
    x = 8,971,268.81/4,914.70
  6. Step 6: Final answer
    x = 1,825.40

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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.