Home / 5,482.13-8,219.07-1,782.16

Finding the Fourth Proportional to 5,482.13, 8,219.07 and 1,782.16

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Solution

The fourth proportional to 5,482.13, 8,219.07 and 1,782.16 is: 2,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.13 : 8,219.07 = 1,782.16 : x
  2. Step 2: Convert to fraction form
    5,482.13/8,219.07 = 1,782.16/x
  3. Step 3: Cross multiply
    5,482.13x = 8,219.07 × 1,782.16
  4. Step 4: Simplify right side
    5,482.13x = 14,647,677.24
  5. Step 5: Solve for x
    x = 14,647,677.24/5,482.13
  6. Step 6: Final answer
    x = 2,671.90

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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.