Home / 5,477.42-8,217.32-1,779.57

Finding the Fourth Proportional to 5,477.42, 8,217.32 and 1,779.57

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Solution

The fourth proportional to 5,477.42, 8,217.32 and 1,779.57 is: 2,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.42 : 8,217.32 = 1,779.57 : x
  2. Step 2: Convert to fraction form
    5,477.42/8,217.32 = 1,779.57/x
  3. Step 3: Cross multiply
    5,477.42x = 8,217.32 × 1,779.57
  4. Step 4: Simplify right side
    5,477.42x = 14,623,287.25
  5. Step 5: Solve for x
    x = 14,623,287.25/5,477.42
  6. Step 6: Final answer
    x = 2,669.74

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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.