Home / 4,298.58-6,453.84-2,220.12

Finding the Fourth Proportional to 4,298.58, 6,453.84 and 2,220.12

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Solution

The fourth proportional to 4,298.58, 6,453.84 and 2,220.12 is: 3,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.58 : 6,453.84 = 2,220.12 : x
  2. Step 2: Convert to fraction form
    4,298.58/6,453.84 = 2,220.12/x
  3. Step 3: Cross multiply
    4,298.58x = 6,453.84 × 2,220.12
  4. Step 4: Simplify right side
    4,298.58x = 14,328,307.59
  5. Step 5: Solve for x
    x = 14,328,307.59/4,298.58
  6. Step 6: Final answer
    x = 3,333.27

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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.