Home / 4,438.60-6,661.34-1,667.79

Finding the Fourth Proportional to 4,438.60, 6,661.34 and 1,667.79

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Solution

The fourth proportional to 4,438.60, 6,661.34 and 1,667.79 is: 2,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.60 : 6,661.34 = 1,667.79 : x
  2. Step 2: Convert to fraction form
    4,438.60/6,661.34 = 1,667.79/x
  3. Step 3: Cross multiply
    4,438.60x = 6,661.34 × 1,667.79
  4. Step 4: Simplify right side
    4,438.60x = 11,109,707.90
  5. Step 5: Solve for x
    x = 11,109,707.90/4,438.60
  6. Step 6: Final answer
    x = 2,502.98

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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.