Home / 7,728.06-11,590.25-3,565.46

Finding the Fourth Proportional to 7,728.06, 11,590.25 and 3,565.46

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Solution

The fourth proportional to 7,728.06, 11,590.25 and 3,565.46 is: 5,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.06 : 11,590.25 = 3,565.46 : x
  2. Step 2: Convert to fraction form
    7,728.06/11,590.25 = 3,565.46/x
  3. Step 3: Cross multiply
    7,728.06x = 11,590.25 × 3,565.46
  4. Step 4: Simplify right side
    7,728.06x = 41,324,572.77
  5. Step 5: Solve for x
    x = 41,324,572.77/7,728.06
  6. Step 6: Final answer
    x = 5,347.34

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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.