Home / 5,184.15-7,779.87-4,688.43

Finding the Fourth Proportional to 5,184.15, 7,779.87 and 4,688.43

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Solution

The fourth proportional to 5,184.15, 7,779.87 and 4,688.43 is: 7,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.15 : 7,779.87 = 4,688.43 : x
  2. Step 2: Convert to fraction form
    5,184.15/7,779.87 = 4,688.43/x
  3. Step 3: Cross multiply
    5,184.15x = 7,779.87 × 4,688.43
  4. Step 4: Simplify right side
    5,184.15x = 36,475,375.90
  5. Step 5: Solve for x
    x = 36,475,375.90/5,184.15
  6. Step 6: Final answer
    x = 7,035.94

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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.