Home / 7,248.24-10,865.84-2,628

Finding the Fourth Proportional to 7,248.24, 10,865.84 and 2,628

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Solution

The fourth proportional to 7,248.24, 10,865.84 and 2,628 is: 3,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.24 : 10,865.84 = 2,628 : x
  2. Step 2: Convert to fraction form
    7,248.24/10,865.84 = 2,628/x
  3. Step 3: Cross multiply
    7,248.24x = 10,865.84 × 2,628
  4. Step 4: Simplify right side
    7,248.24x = 28,555,427.52
  5. Step 5: Solve for x
    x = 28,555,427.52/7,248.24
  6. Step 6: Final answer
    x = 3,939.64

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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.