Home / 5,184.18-7,779.50-2,106.18

Finding the Fourth Proportional to 5,184.18, 7,779.50 and 2,106.18

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Solution

The fourth proportional to 5,184.18, 7,779.50 and 2,106.18 is: 3,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.18 : 7,779.50 = 2,106.18 : x
  2. Step 2: Convert to fraction form
    5,184.18/7,779.50 = 2,106.18/x
  3. Step 3: Cross multiply
    5,184.18x = 7,779.50 × 2,106.18
  4. Step 4: Simplify right side
    5,184.18x = 16,385,016.78
  5. Step 5: Solve for x
    x = 16,385,016.78/5,184.18
  6. Step 6: Final answer
    x = 3,160.58

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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.