Home / 7,628.84-11,438.72-2,362.28

Finding the Fourth Proportional to 7,628.84, 11,438.72 and 2,362.28

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Solution

The fourth proportional to 7,628.84, 11,438.72 and 2,362.28 is: 3,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.84 : 11,438.72 = 2,362.28 : x
  2. Step 2: Convert to fraction form
    7,628.84/11,438.72 = 2,362.28/x
  3. Step 3: Cross multiply
    7,628.84x = 11,438.72 × 2,362.28
  4. Step 4: Simplify right side
    7,628.84x = 27,021,459.48
  5. Step 5: Solve for x
    x = 27,021,459.48/7,628.84
  6. Step 6: Final answer
    x = 3,542.01

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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.