Home / 4,628.40-6,386.18-2,739.04

Finding the Fourth Proportional to 4,628.40, 6,386.18 and 2,739.04

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Solution

The fourth proportional to 4,628.40, 6,386.18 and 2,739.04 is: 3,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.40 : 6,386.18 = 2,739.04 : x
  2. Step 2: Convert to fraction form
    4,628.40/6,386.18 = 2,739.04/x
  3. Step 3: Cross multiply
    4,628.40x = 6,386.18 × 2,739.04
  4. Step 4: Simplify right side
    4,628.40x = 17,491,990.77
  5. Step 5: Solve for x
    x = 17,491,990.77/4,628.40
  6. Step 6: Final answer
    x = 3,779.27

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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.