Home / 6,282.50-9,422.12-1,898.78

Finding the Fourth Proportional to 6,282.50, 9,422.12 and 1,898.78

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Solution

The fourth proportional to 6,282.50, 9,422.12 and 1,898.78 is: 2,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.50 : 9,422.12 = 1,898.78 : x
  2. Step 2: Convert to fraction form
    6,282.50/9,422.12 = 1,898.78/x
  3. Step 3: Cross multiply
    6,282.50x = 9,422.12 × 1,898.78
  4. Step 4: Simplify right side
    6,282.50x = 17,890,490.65
  5. Step 5: Solve for x
    x = 17,890,490.65/6,282.50
  6. Step 6: Final answer
    x = 2,847.67

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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.