Home / 7,728.84-11,595.43-2,538.36

Finding the Fourth Proportional to 7,728.84, 11,595.43 and 2,538.36

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Solution

The fourth proportional to 7,728.84, 11,595.43 and 2,538.36 is: 3,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.84 : 11,595.43 = 2,538.36 : x
  2. Step 2: Convert to fraction form
    7,728.84/11,595.43 = 2,538.36/x
  3. Step 3: Cross multiply
    7,728.84x = 11,595.43 × 2,538.36
  4. Step 4: Simplify right side
    7,728.84x = 29,433,363.00
  5. Step 5: Solve for x
    x = 29,433,363.00/7,728.84
  6. Step 6: Final answer
    x = 3,808.25

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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.