Home / 5,477.67-8,217.66-1,779.62

Finding the Fourth Proportional to 5,477.67, 8,217.66 and 1,779.62

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Solution

The fourth proportional to 5,477.67, 8,217.66 and 1,779.62 is: 2,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.67 : 8,217.66 = 1,779.62 : x
  2. Step 2: Convert to fraction form
    5,477.67/8,217.66 = 1,779.62/x
  3. Step 3: Cross multiply
    5,477.67x = 8,217.66 × 1,779.62
  4. Step 4: Simplify right side
    5,477.67x = 14,624,271.00
  5. Step 5: Solve for x
    x = 14,624,271.00/5,477.67
  6. Step 6: Final answer
    x = 2,669.80

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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.