Home / 9,306.90-12,840.63-5,327.27

Finding the Fourth Proportional to 9,306.90, 12,840.63 and 5,327.27

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Solution

The fourth proportional to 9,306.90, 12,840.63 and 5,327.27 is: 7,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.90 : 12,840.63 = 5,327.27 : x
  2. Step 2: Convert to fraction form
    9,306.90/12,840.63 = 5,327.27/x
  3. Step 3: Cross multiply
    9,306.90x = 12,840.63 × 5,327.27
  4. Step 4: Simplify right side
    9,306.90x = 68,405,466.95
  5. Step 5: Solve for x
    x = 68,405,466.95/9,306.90
  6. Step 6: Final answer
    x = 7,349.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.