Home / 4,020.30-6,030.45-3,290.70

Finding the Fourth Proportional to 4,020.30, 6,030.45 and 3,290.70

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Solution

The fourth proportional to 4,020.30, 6,030.45 and 3,290.70 is: 4,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.30 : 6,030.45 = 3,290.70 : x
  2. Step 2: Convert to fraction form
    4,020.30/6,030.45 = 3,290.70/x
  3. Step 3: Cross multiply
    4,020.30x = 6,030.45 × 3,290.70
  4. Step 4: Simplify right side
    4,020.30x = 19,844,401.82
  5. Step 5: Solve for x
    x = 19,844,401.82/4,020.30
  6. Step 6: Final answer
    x = 4,936.05

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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.