Home / 4,977.48-6,868.65-2,739

Finding the Fourth Proportional to 4,977.48, 6,868.65 and 2,739

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Solution

The fourth proportional to 4,977.48, 6,868.65 and 2,739 is: 3,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.48 : 6,868.65 = 2,739 : x
  2. Step 2: Convert to fraction form
    4,977.48/6,868.65 = 2,739/x
  3. Step 3: Cross multiply
    4,977.48x = 6,868.65 × 2,739
  4. Step 4: Simplify right side
    4,977.48x = 18,813,232.35
  5. Step 5: Solve for x
    x = 18,813,232.35/4,977.48
  6. Step 6: Final answer
    x = 3,779.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.