Home / 4,977.54-6,868.06-2,987.37

Finding the Fourth Proportional to 4,977.54, 6,868.06 and 2,987.37

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Solution

The fourth proportional to 4,977.54, 6,868.06 and 2,987.37 is: 4,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.54 : 6,868.06 = 2,987.37 : x
  2. Step 2: Convert to fraction form
    4,977.54/6,868.06 = 2,987.37/x
  3. Step 3: Cross multiply
    4,977.54x = 6,868.06 × 2,987.37
  4. Step 4: Simplify right side
    4,977.54x = 20,517,428.93
  5. Step 5: Solve for x
    x = 20,517,428.93/4,977.54
  6. Step 6: Final answer
    x = 4,122.00

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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.