Home / 5,482.19-8,219.67-1,970.44

Finding the Fourth Proportional to 5,482.19, 8,219.67 and 1,970.44

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Solution

The fourth proportional to 5,482.19, 8,219.67 and 1,970.44 is: 2,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.19 : 8,219.67 = 1,970.44 : x
  2. Step 2: Convert to fraction form
    5,482.19/8,219.67 = 1,970.44/x
  3. Step 3: Cross multiply
    5,482.19x = 8,219.67 × 1,970.44
  4. Step 4: Simplify right side
    5,482.19x = 16,196,366.55
  5. Step 5: Solve for x
    x = 16,196,366.55/5,482.19
  6. Step 6: Final answer
    x = 2,954.36

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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.