Home / 4,934.40-7,400.96-1,856

Finding the Fourth Proportional to 4,934.40, 7,400.96 and 1,856

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Solution

The fourth proportional to 4,934.40, 7,400.96 and 1,856 is: 2,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.40 : 7,400.96 = 1,856 : x
  2. Step 2: Convert to fraction form
    4,934.40/7,400.96 = 1,856/x
  3. Step 3: Cross multiply
    4,934.40x = 7,400.96 × 1,856
  4. Step 4: Simplify right side
    4,934.40x = 13,736,181.76
  5. Step 5: Solve for x
    x = 13,736,181.76/4,934.40
  6. Step 6: Final answer
    x = 2,783.76

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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.