Home / 4,430.20-6,638.10-3,695.80

Finding the Fourth Proportional to 4,430.20, 6,638.10 and 3,695.80

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Solution

The fourth proportional to 4,430.20, 6,638.10 and 3,695.80 is: 5,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.20 : 6,638.10 = 3,695.80 : x
  2. Step 2: Convert to fraction form
    4,430.20/6,638.10 = 3,695.80/x
  3. Step 3: Cross multiply
    4,430.20x = 6,638.10 × 3,695.80
  4. Step 4: Simplify right side
    4,430.20x = 24,533,089.98
  5. Step 5: Solve for x
    x = 24,533,089.98/4,430.20
  6. Step 6: Final answer
    x = 5,537.69

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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.