Home / 4,609.89-6,914.06-1,977.81

Finding the Fourth Proportional to 4,609.89, 6,914.06 and 1,977.81

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Solution

The fourth proportional to 4,609.89, 6,914.06 and 1,977.81 is: 2,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.89 : 6,914.06 = 1,977.81 : x
  2. Step 2: Convert to fraction form
    4,609.89/6,914.06 = 1,977.81/x
  3. Step 3: Cross multiply
    4,609.89x = 6,914.06 × 1,977.81
  4. Step 4: Simplify right side
    4,609.89x = 13,674,697.01
  5. Step 5: Solve for x
    x = 13,674,697.01/4,609.89
  6. Step 6: Final answer
    x = 2,966.38

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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.