Home / 7,628.32-11,432.07-4,667.79

Finding the Fourth Proportional to 7,628.32, 11,432.07 and 4,667.79

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Solution

The fourth proportional to 7,628.32, 11,432.07 and 4,667.79 is: 6,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.32 : 11,432.07 = 4,667.79 : x
  2. Step 2: Convert to fraction form
    7,628.32/11,432.07 = 4,667.79/x
  3. Step 3: Cross multiply
    7,628.32x = 11,432.07 × 4,667.79
  4. Step 4: Simplify right side
    7,628.32x = 53,362,502.03
  5. Step 5: Solve for x
    x = 53,362,502.03/7,628.32
  6. Step 6: Final answer
    x = 6,995.32

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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.