Home / 4,676.76-7,015.08-1,389.84

Finding the Fourth Proportional to 4,676.76, 7,015.08 and 1,389.84

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Solution

The fourth proportional to 4,676.76, 7,015.08 and 1,389.84 is: 2,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.76 : 7,015.08 = 1,389.84 : x
  2. Step 2: Convert to fraction form
    4,676.76/7,015.08 = 1,389.84/x
  3. Step 3: Cross multiply
    4,676.76x = 7,015.08 × 1,389.84
  4. Step 4: Simplify right side
    4,676.76x = 9,749,838.79
  5. Step 5: Solve for x
    x = 9,749,838.79/4,676.76
  6. Step 6: Final answer
    x = 2,084.74

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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.