Home / 4,216.41-6,320.30-2,655.81

Finding the Fourth Proportional to 4,216.41, 6,320.30 and 2,655.81

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Solution

The fourth proportional to 4,216.41, 6,320.30 and 2,655.81 is: 3,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.41 : 6,320.30 = 2,655.81 : x
  2. Step 2: Convert to fraction form
    4,216.41/6,320.30 = 2,655.81/x
  3. Step 3: Cross multiply
    4,216.41x = 6,320.30 × 2,655.81
  4. Step 4: Simplify right side
    4,216.41x = 16,785,502.66
  5. Step 5: Solve for x
    x = 16,785,502.66/4,216.41
  6. Step 6: Final answer
    x = 3,980.99

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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.