Home / 4,779.83-7,166.90-1,967.85

Finding the Fourth Proportional to 4,779.83, 7,166.90 and 1,967.85

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Solution

The fourth proportional to 4,779.83, 7,166.90 and 1,967.85 is: 2,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.83 : 7,166.90 = 1,967.85 : x
  2. Step 2: Convert to fraction form
    4,779.83/7,166.90 = 1,967.85/x
  3. Step 3: Cross multiply
    4,779.83x = 7,166.90 × 1,967.85
  4. Step 4: Simplify right side
    4,779.83x = 14,103,389.08
  5. Step 5: Solve for x
    x = 14,103,389.08/4,779.83
  6. Step 6: Final answer
    x = 2,950.60

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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.