Home / 4,783.89-7,176.36-1,274.02

Finding the Fourth Proportional to 4,783.89, 7,176.36 and 1,274.02

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Solution

The fourth proportional to 4,783.89, 7,176.36 and 1,274.02 is: 1,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.89 : 7,176.36 = 1,274.02 : x
  2. Step 2: Convert to fraction form
    4,783.89/7,176.36 = 1,274.02/x
  3. Step 3: Cross multiply
    4,783.89x = 7,176.36 × 1,274.02
  4. Step 4: Simplify right side
    4,783.89x = 9,142,822.44
  5. Step 5: Solve for x
    x = 9,142,822.44/4,783.89
  6. Step 6: Final answer
    x = 1,911.17

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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.