Home / 6,090.80-9,136.20-4,430.30

Finding the Fourth Proportional to 6,090.80, 9,136.20 and 4,430.30

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Solution

The fourth proportional to 6,090.80, 9,136.20 and 4,430.30 is: 6,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.80 : 9,136.20 = 4,430.30 : x
  2. Step 2: Convert to fraction form
    6,090.80/9,136.20 = 4,430.30/x
  3. Step 3: Cross multiply
    6,090.80x = 9,136.20 × 4,430.30
  4. Step 4: Simplify right side
    6,090.80x = 40,476,106.86
  5. Step 5: Solve for x
    x = 40,476,106.86/6,090.80
  6. Step 6: Final answer
    x = 6,645.45

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Similar ratio
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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.