Home / 7,587.91-11,378.76-4,474.14

Finding the Fourth Proportional to 7,587.91, 11,378.76 and 4,474.14

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Solution

The fourth proportional to 7,587.91, 11,378.76 and 4,474.14 is: 6,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.91 : 11,378.76 = 4,474.14 : x
  2. Step 2: Convert to fraction form
    7,587.91/11,378.76 = 4,474.14/x
  3. Step 3: Cross multiply
    7,587.91x = 11,378.76 × 4,474.14
  4. Step 4: Simplify right side
    7,587.91x = 50,910,165.27
  5. Step 5: Solve for x
    x = 50,910,165.27/7,587.91
  6. Step 6: Final answer
    x = 6,709.38

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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.