Home / 8,779.54-13,168.35-3,516.76

Finding the Fourth Proportional to 8,779.54, 13,168.35 and 3,516.76

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Solution

The fourth proportional to 8,779.54, 13,168.35 and 3,516.76 is: 5,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.54 : 13,168.35 = 3,516.76 : x
  2. Step 2: Convert to fraction form
    8,779.54/13,168.35 = 3,516.76/x
  3. Step 3: Cross multiply
    8,779.54x = 13,168.35 × 3,516.76
  4. Step 4: Simplify right side
    8,779.54x = 46,309,926.55
  5. Step 5: Solve for x
    x = 46,309,926.55/8,779.54
  6. Step 6: Final answer
    x = 5,274.76

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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.