Home / 4,977.58-6,868.91-2,739.45

Finding the Fourth Proportional to 4,977.58, 6,868.91 and 2,739.45

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Solution

The fourth proportional to 4,977.58, 6,868.91 and 2,739.45 is: 3,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.58 : 6,868.91 = 2,739.45 : x
  2. Step 2: Convert to fraction form
    4,977.58/6,868.91 = 2,739.45/x
  3. Step 3: Cross multiply
    4,977.58x = 6,868.91 × 2,739.45
  4. Step 4: Simplify right side
    4,977.58x = 18,817,035.50
  5. Step 5: Solve for x
    x = 18,817,035.50/4,977.58
  6. Step 6: Final answer
    x = 3,780.36

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1.5x scale

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.