Home / 4,216.99-6,326.95-1,878.66

Finding the Fourth Proportional to 4,216.99, 6,326.95 and 1,878.66

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Solution

The fourth proportional to 4,216.99, 6,326.95 and 1,878.66 is: 2,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.99 : 6,326.95 = 1,878.66 : x
  2. Step 2: Convert to fraction form
    4,216.99/6,326.95 = 1,878.66/x
  3. Step 3: Cross multiply
    4,216.99x = 6,326.95 × 1,878.66
  4. Step 4: Simplify right side
    4,216.99x = 11,886,156.25
  5. Step 5: Solve for x
    x = 11,886,156.25/4,216.99
  6. Step 6: Final answer
    x = 2,818.64

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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.