Home / 4,430.15-6,645.20-1,142.96

Finding the Fourth Proportional to 4,430.15, 6,645.20 and 1,142.96

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Solution

The fourth proportional to 4,430.15, 6,645.20 and 1,142.96 is: 1,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.15 : 6,645.20 = 1,142.96 : x
  2. Step 2: Convert to fraction form
    4,430.15/6,645.20 = 1,142.96/x
  3. Step 3: Cross multiply
    4,430.15x = 6,645.20 × 1,142.96
  4. Step 4: Simplify right side
    4,430.15x = 7,595,158.85
  5. Step 5: Solve for x
    x = 7,595,158.85/4,430.15
  6. Step 6: Final answer
    x = 1,714.43

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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.