Home / 4,445.05-6,667.61-1,324.98

Finding the Fourth Proportional to 4,445.05, 6,667.61 and 1,324.98

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Solution

The fourth proportional to 4,445.05, 6,667.61 and 1,324.98 is: 1,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.05 : 6,667.61 = 1,324.98 : x
  2. Step 2: Convert to fraction form
    4,445.05/6,667.61 = 1,324.98/x
  3. Step 3: Cross multiply
    4,445.05x = 6,667.61 × 1,324.98
  4. Step 4: Simplify right side
    4,445.05x = 8,834,449.90
  5. Step 5: Solve for x
    x = 8,834,449.90/4,445.05
  6. Step 6: Final answer
    x = 1,987.48

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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.