Home / 10,290.65-15,428.48-3,268.35

Finding the Fourth Proportional to 10,290.65, 15,428.48 and 3,268.35

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Solution

The fourth proportional to 10,290.65, 15,428.48 and 3,268.35 is: 4,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.65 : 15,428.48 = 3,268.35 : x
  2. Step 2: Convert to fraction form
    10,290.65/15,428.48 = 3,268.35/x
  3. Step 3: Cross multiply
    10,290.65x = 15,428.48 × 3,268.35
  4. Step 4: Simplify right side
    10,290.65x = 50,425,656.27
  5. Step 5: Solve for x
    x = 50,425,656.27/10,290.65
  6. Step 6: Final answer
    x = 4,900.15

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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.