Home / 4,977.83-7,467.36-1,691.86

Finding the Fourth Proportional to 4,977.83, 7,467.36 and 1,691.86

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Solution

The fourth proportional to 4,977.83, 7,467.36 and 1,691.86 is: 2,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.83 : 7,467.36 = 1,691.86 : x
  2. Step 2: Convert to fraction form
    4,977.83/7,467.36 = 1,691.86/x
  3. Step 3: Cross multiply
    4,977.83x = 7,467.36 × 1,691.86
  4. Step 4: Simplify right side
    4,977.83x = 12,633,719.23
  5. Step 5: Solve for x
    x = 12,633,719.23/4,977.83
  6. Step 6: Final answer
    x = 2,538.00

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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.