Home / 4,894.28-7,341.48-1,431.60

Finding the Fourth Proportional to 4,894.28, 7,341.48 and 1,431.60

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Solution

The fourth proportional to 4,894.28, 7,341.48 and 1,431.60 is: 2,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.28 : 7,341.48 = 1,431.60 : x
  2. Step 2: Convert to fraction form
    4,894.28/7,341.48 = 1,431.60/x
  3. Step 3: Cross multiply
    4,894.28x = 7,341.48 × 1,431.60
  4. Step 4: Simplify right side
    4,894.28x = 10,510,062.77
  5. Step 5: Solve for x
    x = 10,510,062.77/4,894.28
  6. Step 6: Final answer
    x = 2,147.42

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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.