Home / 7,214.25-9,955.71-4,419.75

Finding the Fourth Proportional to 7,214.25, 9,955.71 and 4,419.75

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Solution

The fourth proportional to 7,214.25, 9,955.71 and 4,419.75 is: 6,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.25 : 9,955.71 = 4,419.75 : x
  2. Step 2: Convert to fraction form
    7,214.25/9,955.71 = 4,419.75/x
  3. Step 3: Cross multiply
    7,214.25x = 9,955.71 × 4,419.75
  4. Step 4: Simplify right side
    7,214.25x = 44,001,749.27
  5. Step 5: Solve for x
    x = 44,001,749.27/7,214.25
  6. Step 6: Final answer
    x = 6,099.28

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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.