Home / 7,679.36-11,529.28-4,565.12

Finding the Fourth Proportional to 7,679.36, 11,529.28 and 4,565.12

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Solution

The fourth proportional to 7,679.36, 11,529.28 and 4,565.12 is: 6,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.36 : 11,529.28 = 4,565.12 : x
  2. Step 2: Convert to fraction form
    7,679.36/11,529.28 = 4,565.12/x
  3. Step 3: Cross multiply
    7,679.36x = 11,529.28 × 4,565.12
  4. Step 4: Simplify right side
    7,679.36x = 52,632,546.71
  5. Step 5: Solve for x
    x = 52,632,546.71/7,679.36
  6. Step 6: Final answer
    x = 6,853.77

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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.