Home / 4,218.34-6,327.51-1,098.34

Finding the Fourth Proportional to 4,218.34, 6,327.51 and 1,098.34

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Solution

The fourth proportional to 4,218.34, 6,327.51 and 1,098.34 is: 1,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.34 : 6,327.51 = 1,098.34 : x
  2. Step 2: Convert to fraction form
    4,218.34/6,327.51 = 1,098.34/x
  3. Step 3: Cross multiply
    4,218.34x = 6,327.51 × 1,098.34
  4. Step 4: Simplify right side
    4,218.34x = 6,949,752.60
  5. Step 5: Solve for x
    x = 6,949,752.60/4,218.34
  6. Step 6: Final answer
    x = 1,647.51

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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.