Home / 5,215.98-7,823.90-1,267.27

Finding the Fourth Proportional to 5,215.98, 7,823.90 and 1,267.27

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Solution

The fourth proportional to 5,215.98, 7,823.90 and 1,267.27 is: 1,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.98 : 7,823.90 = 1,267.27 : x
  2. Step 2: Convert to fraction form
    5,215.98/7,823.90 = 1,267.27/x
  3. Step 3: Cross multiply
    5,215.98x = 7,823.90 × 1,267.27
  4. Step 4: Simplify right side
    5,215.98x = 9,915,014.24
  5. Step 5: Solve for x
    x = 9,915,014.24/5,215.98
  6. Step 6: Final answer
    x = 1,900.89

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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.