Home / 4,779.87-6,596.37-2,891.80

Finding the Fourth Proportional to 4,779.87, 6,596.37 and 2,891.80

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Solution

The fourth proportional to 4,779.87, 6,596.37 and 2,891.80 is: 3,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.87 : 6,596.37 = 2,891.80 : x
  2. Step 2: Convert to fraction form
    4,779.87/6,596.37 = 2,891.80/x
  3. Step 3: Cross multiply
    4,779.87x = 6,596.37 × 2,891.80
  4. Step 4: Simplify right side
    4,779.87x = 19,075,384.91
  5. Step 5: Solve for x
    x = 19,075,384.91/4,779.87
  6. Step 6: Final answer
    x = 3,990.77

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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.