Home / 8,349.08-11,521.75-4,520.75

Finding the Fourth Proportional to 8,349.08, 11,521.75 and 4,520.75

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Solution

The fourth proportional to 8,349.08, 11,521.75 and 4,520.75 is: 6,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.08 : 11,521.75 = 4,520.75 : x
  2. Step 2: Convert to fraction form
    8,349.08/11,521.75 = 4,520.75/x
  3. Step 3: Cross multiply
    8,349.08x = 11,521.75 × 4,520.75
  4. Step 4: Simplify right side
    8,349.08x = 52,086,968.81
  5. Step 5: Solve for x
    x = 52,086,968.81/8,349.08
  6. Step 6: Final answer
    x = 6,238.65

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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.