Home / 5,079.73-7,620-1,569.43

Finding the Fourth Proportional to 5,079.73, 7,620 and 1,569.43

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Solution

The fourth proportional to 5,079.73, 7,620 and 1,569.43 is: 2,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.73 : 7,620 = 1,569.43 : x
  2. Step 2: Convert to fraction form
    5,079.73/7,620 = 1,569.43/x
  3. Step 3: Cross multiply
    5,079.73x = 7,620 × 1,569.43
  4. Step 4: Simplify right side
    5,079.73x = 11,959,056.60
  5. Step 5: Solve for x
    x = 11,959,056.60/5,079.73
  6. Step 6: Final answer
    x = 2,354.27

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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.