Home / 9,185.40-13,779.92-3,637.71

Finding the Fourth Proportional to 9,185.40, 13,779.92 and 3,637.71

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Solution

The fourth proportional to 9,185.40, 13,779.92 and 3,637.71 is: 5,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.40 : 13,779.92 = 3,637.71 : x
  2. Step 2: Convert to fraction form
    9,185.40/13,779.92 = 3,637.71/x
  3. Step 3: Cross multiply
    9,185.40x = 13,779.92 × 3,637.71
  4. Step 4: Simplify right side
    9,185.40x = 50,127,361.88
  5. Step 5: Solve for x
    x = 50,127,361.88/9,185.40
  6. Step 6: Final answer
    x = 5,457.29

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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.