Home / 4,477.73-6,712.74-1,977.02

Finding the Fourth Proportional to 4,477.73, 6,712.74 and 1,977.02

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Solution

The fourth proportional to 4,477.73, 6,712.74 and 1,977.02 is: 2,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.73 : 6,712.74 = 1,977.02 : x
  2. Step 2: Convert to fraction form
    4,477.73/6,712.74 = 1,977.02/x
  3. Step 3: Cross multiply
    4,477.73x = 6,712.74 × 1,977.02
  4. Step 4: Simplify right side
    4,477.73x = 13,271,187.67
  5. Step 5: Solve for x
    x = 13,271,187.67/4,477.73
  6. Step 6: Final answer
    x = 2,963.82

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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.