Home / 4,380.58-6,554.40-2,619.10

Finding the Fourth Proportional to 4,380.58, 6,554.40 and 2,619.10

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Solution

The fourth proportional to 4,380.58, 6,554.40 and 2,619.10 is: 3,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.58 : 6,554.40 = 2,619.10 : x
  2. Step 2: Convert to fraction form
    4,380.58/6,554.40 = 2,619.10/x
  3. Step 3: Cross multiply
    4,380.58x = 6,554.40 × 2,619.10
  4. Step 4: Simplify right side
    4,380.58x = 17,166,629.04
  5. Step 5: Solve for x
    x = 17,166,629.04/4,380.58
  6. Step 6: Final answer
    x = 3,918.80

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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.