Home / 7,728.60-11,593.08-1,885.32

Finding the Fourth Proportional to 7,728.60, 11,593.08 and 1,885.32

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Solution

The fourth proportional to 7,728.60, 11,593.08 and 1,885.32 is: 2,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.60 : 11,593.08 = 1,885.32 : x
  2. Step 2: Convert to fraction form
    7,728.60/11,593.08 = 1,885.32/x
  3. Step 3: Cross multiply
    7,728.60x = 11,593.08 × 1,885.32
  4. Step 4: Simplify right side
    7,728.60x = 21,856,665.59
  5. Step 5: Solve for x
    x = 21,856,665.59/7,728.60
  6. Step 6: Final answer
    x = 2,828.02

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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.