Home / 7,268.24-10,899.12-2,648

Finding the Fourth Proportional to 7,268.24, 10,899.12 and 2,648

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Solution

The fourth proportional to 7,268.24, 10,899.12 and 2,648 is: 3,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.24 : 10,899.12 = 2,648 : x
  2. Step 2: Convert to fraction form
    7,268.24/10,899.12 = 2,648/x
  3. Step 3: Cross multiply
    7,268.24x = 10,899.12 × 2,648
  4. Step 4: Simplify right side
    7,268.24x = 28,860,869.76
  5. Step 5: Solve for x
    x = 28,860,869.76/7,268.24
  6. Step 6: Final answer
    x = 3,970.82

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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.