Home / 4,607.78-6,910.44-1,319.99

Finding the Fourth Proportional to 4,607.78, 6,910.44 and 1,319.99

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Solution

The fourth proportional to 4,607.78, 6,910.44 and 1,319.99 is: 1,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.78 : 6,910.44 = 1,319.99 : x
  2. Step 2: Convert to fraction form
    4,607.78/6,910.44 = 1,319.99/x
  3. Step 3: Cross multiply
    4,607.78x = 6,910.44 × 1,319.99
  4. Step 4: Simplify right side
    4,607.78x = 9,121,677.14
  5. Step 5: Solve for x
    x = 9,121,677.14/4,607.78
  6. Step 6: Final answer
    x = 1,979.63

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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.