Home / 8,084.40-12,123.36-2,887.44

Finding the Fourth Proportional to 8,084.40, 12,123.36 and 2,887.44

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Solution

The fourth proportional to 8,084.40, 12,123.36 and 2,887.44 is: 4,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.40 : 12,123.36 = 2,887.44 : x
  2. Step 2: Convert to fraction form
    8,084.40/12,123.36 = 2,887.44/x
  3. Step 3: Cross multiply
    8,084.40x = 12,123.36 × 2,887.44
  4. Step 4: Simplify right side
    8,084.40x = 35,005,474.60
  5. Step 5: Solve for x
    x = 35,005,474.60/8,084.40
  6. Step 6: Final answer
    x = 4,330.00

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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.