Home / 7,850.18-11,779.30-4,339.53

Finding the Fourth Proportional to 7,850.18, 11,779.30 and 4,339.53

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Solution

The fourth proportional to 7,850.18, 11,779.30 and 4,339.53 is: 6,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.18 : 11,779.30 = 4,339.53 : x
  2. Step 2: Convert to fraction form
    7,850.18/11,779.30 = 4,339.53/x
  3. Step 3: Cross multiply
    7,850.18x = 11,779.30 × 4,339.53
  4. Step 4: Simplify right side
    7,850.18x = 51,116,625.73
  5. Step 5: Solve for x
    x = 51,116,625.73/7,850.18
  6. Step 6: Final answer
    x = 6,511.52

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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.