Home / 5,482.50-8,219.64-1,782.52

Finding the Fourth Proportional to 5,482.50, 8,219.64 and 1,782.52

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Solution

The fourth proportional to 5,482.50, 8,219.64 and 1,782.52 is: 2,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.50 : 8,219.64 = 1,782.52 : x
  2. Step 2: Convert to fraction form
    5,482.50/8,219.64 = 1,782.52/x
  3. Step 3: Cross multiply
    5,482.50x = 8,219.64 × 1,782.52
  4. Step 4: Simplify right side
    5,482.50x = 14,651,672.69
  5. Step 5: Solve for x
    x = 14,651,672.69/5,482.50
  6. Step 6: Final answer
    x = 2,672.44

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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.