Home / 4,580.40-6,870.60-2,709.30

Finding the Fourth Proportional to 4,580.40, 6,870.60 and 2,709.30

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Solution

The fourth proportional to 4,580.40, 6,870.60 and 2,709.30 is: 4,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.40 : 6,870.60 = 2,709.30 : x
  2. Step 2: Convert to fraction form
    4,580.40/6,870.60 = 2,709.30/x
  3. Step 3: Cross multiply
    4,580.40x = 6,870.60 × 2,709.30
  4. Step 4: Simplify right side
    4,580.40x = 18,614,516.58
  5. Step 5: Solve for x
    x = 18,614,516.58/4,580.40
  6. Step 6: Final answer
    x = 4,063.95

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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.