Home / 5,477.69-8,214.40-1,779.03

Finding the Fourth Proportional to 5,477.69, 8,214.40 and 1,779.03

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Solution

The fourth proportional to 5,477.69, 8,214.40 and 1,779.03 is: 2,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.69 : 8,214.40 = 1,779.03 : x
  2. Step 2: Convert to fraction form
    5,477.69/8,214.40 = 1,779.03/x
  3. Step 3: Cross multiply
    5,477.69x = 8,214.40 × 1,779.03
  4. Step 4: Simplify right side
    5,477.69x = 14,613,664.03
  5. Step 5: Solve for x
    x = 14,613,664.03/5,477.69
  6. Step 6: Final answer
    x = 2,667.85

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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.