Home / 4,435.60-6,645.30-3,609.40

Finding the Fourth Proportional to 4,435.60, 6,645.30 and 3,609.40

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Solution

The fourth proportional to 4,435.60, 6,645.30 and 3,609.40 is: 5,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.60 : 6,645.30 = 3,609.40 : x
  2. Step 2: Convert to fraction form
    4,435.60/6,645.30 = 3,609.40/x
  3. Step 3: Cross multiply
    4,435.60x = 6,645.30 × 3,609.40
  4. Step 4: Simplify right side
    4,435.60x = 23,985,545.82
  5. Step 5: Solve for x
    x = 23,985,545.82/4,435.60
  6. Step 6: Final answer
    x = 5,407.51

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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.