Home / 5,477.55-8,214.60-1,779.01

Finding the Fourth Proportional to 5,477.55, 8,214.60 and 1,779.01

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Solution

The fourth proportional to 5,477.55, 8,214.60 and 1,779.01 is: 2,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.55 : 8,214.60 = 1,779.01 : x
  2. Step 2: Convert to fraction form
    5,477.55/8,214.60 = 1,779.01/x
  3. Step 3: Cross multiply
    5,477.55x = 8,214.60 × 1,779.01
  4. Step 4: Simplify right side
    5,477.55x = 14,613,855.55
  5. Step 5: Solve for x
    x = 14,613,855.55/5,477.55
  6. Step 6: Final answer
    x = 2,667.95

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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.