Home / 4,580.20-6,870.30-3,860.20

Finding the Fourth Proportional to 4,580.20, 6,870.30 and 3,860.20

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Solution

The fourth proportional to 4,580.20, 6,870.30 and 3,860.20 is: 5,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.20 : 6,870.30 = 3,860.20 : x
  2. Step 2: Convert to fraction form
    4,580.20/6,870.30 = 3,860.20/x
  3. Step 3: Cross multiply
    4,580.20x = 6,870.30 × 3,860.20
  4. Step 4: Simplify right side
    4,580.20x = 26,520,732.06
  5. Step 5: Solve for x
    x = 26,520,732.06/4,580.20
  6. Step 6: Final answer
    x = 5,790.30

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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.