Home / 4,779.99-6,596.46-2,891.61

Finding the Fourth Proportional to 4,779.99, 6,596.46 and 2,891.61

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Solution

The fourth proportional to 4,779.99, 6,596.46 and 2,891.61 is: 3,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.99 : 6,596.46 = 2,891.61 : x
  2. Step 2: Convert to fraction form
    4,779.99/6,596.46 = 2,891.61/x
  3. Step 3: Cross multiply
    4,779.99x = 6,596.46 × 2,891.61
  4. Step 4: Simplify right side
    4,779.99x = 19,074,389.70
  5. Step 5: Solve for x
    x = 19,074,389.70/4,779.99
  6. Step 6: Final answer
    x = 3,990.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.