Home / 7,690.63-11,535.81-2,496.51

Finding the Fourth Proportional to 7,690.63, 11,535.81 and 2,496.51

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Solution

The fourth proportional to 7,690.63, 11,535.81 and 2,496.51 is: 3,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.63 : 11,535.81 = 2,496.51 : x
  2. Step 2: Convert to fraction form
    7,690.63/11,535.81 = 2,496.51/x
  3. Step 3: Cross multiply
    7,690.63x = 11,535.81 × 2,496.51
  4. Step 4: Simplify right side
    7,690.63x = 28,799,265.02
  5. Step 5: Solve for x
    x = 28,799,265.02/7,690.63
  6. Step 6: Final answer
    x = 3,744.72

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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.