Home / 4,676.54-7,015.77-1,389.34

Finding the Fourth Proportional to 4,676.54, 7,015.77 and 1,389.34

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Solution

The fourth proportional to 4,676.54, 7,015.77 and 1,389.34 is: 2,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.54 : 7,015.77 = 1,389.34 : x
  2. Step 2: Convert to fraction form
    4,676.54/7,015.77 = 1,389.34/x
  3. Step 3: Cross multiply
    4,676.54x = 7,015.77 × 1,389.34
  4. Step 4: Simplify right side
    4,676.54x = 9,747,289.89
  5. Step 5: Solve for x
    x = 9,747,289.89/4,676.54
  6. Step 6: Final answer
    x = 2,084.30

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1.5x scale

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.