Home / 9,108.30-13,658.40-3,559.80

Finding the Fourth Proportional to 9,108.30, 13,658.40 and 3,559.80

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Solution

The fourth proportional to 9,108.30, 13,658.40 and 3,559.80 is: 5,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.30 : 13,658.40 = 3,559.80 : x
  2. Step 2: Convert to fraction form
    9,108.30/13,658.40 = 3,559.80/x
  3. Step 3: Cross multiply
    9,108.30x = 13,658.40 × 3,559.80
  4. Step 4: Simplify right side
    9,108.30x = 48,621,172.32
  5. Step 5: Solve for x
    x = 48,621,172.32/9,108.30
  6. Step 6: Final answer
    x = 5,338.12

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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.