Home / 4,881.90-7,323.36-1,419.15

Finding the Fourth Proportional to 4,881.90, 7,323.36 and 1,419.15

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Solution

The fourth proportional to 4,881.90, 7,323.36 and 1,419.15 is: 2,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.90 : 7,323.36 = 1,419.15 : x
  2. Step 2: Convert to fraction form
    4,881.90/7,323.36 = 1,419.15/x
  3. Step 3: Cross multiply
    4,881.90x = 7,323.36 × 1,419.15
  4. Step 4: Simplify right side
    4,881.90x = 10,392,946.34
  5. Step 5: Solve for x
    x = 10,392,946.34/4,881.90
  6. Step 6: Final answer
    x = 2,128.87

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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.