Home / 4,218.10-6,322.88-3,479.99

Finding the Fourth Proportional to 4,218.10, 6,322.88 and 3,479.99

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Solution

The fourth proportional to 4,218.10, 6,322.88 and 3,479.99 is: 5,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.10 : 6,322.88 = 3,479.99 : x
  2. Step 2: Convert to fraction form
    4,218.10/6,322.88 = 3,479.99/x
  3. Step 3: Cross multiply
    4,218.10x = 6,322.88 × 3,479.99
  4. Step 4: Simplify right side
    4,218.10x = 22,003,536.26
  5. Step 5: Solve for x
    x = 22,003,536.26/4,218.10
  6. Step 6: Final answer
    x = 5,216.46

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1.5x scale

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.