Home / 7,885.60-11,828.40-3,724.24

Finding the Fourth Proportional to 7,885.60, 11,828.40 and 3,724.24

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Solution

The fourth proportional to 7,885.60, 11,828.40 and 3,724.24 is: 5,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.60 : 11,828.40 = 3,724.24 : x
  2. Step 2: Convert to fraction form
    7,885.60/11,828.40 = 3,724.24/x
  3. Step 3: Cross multiply
    7,885.60x = 11,828.40 × 3,724.24
  4. Step 4: Simplify right side
    7,885.60x = 44,051,800.42
  5. Step 5: Solve for x
    x = 44,051,800.42/7,885.60
  6. Step 6: Final answer
    x = 5,586.36

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Double scale
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Similar ratio
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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.