Home / 5,477.98-8,217.87-1,779.43

Finding the Fourth Proportional to 5,477.98, 8,217.87 and 1,779.43

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Solution

The fourth proportional to 5,477.98, 8,217.87 and 1,779.43 is: 2,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.98 : 8,217.87 = 1,779.43 : x
  2. Step 2: Convert to fraction form
    5,477.98/8,217.87 = 1,779.43/x
  3. Step 3: Cross multiply
    5,477.98x = 8,217.87 × 1,779.43
  4. Step 4: Simplify right side
    5,477.98x = 14,623,124.41
  5. Step 5: Solve for x
    x = 14,623,124.41/5,477.98
  6. Step 6: Final answer
    x = 2,669.44

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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.