Home / 8,146.40-11,237.55-4,787.60

Finding the Fourth Proportional to 8,146.40, 11,237.55 and 4,787.60

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Solution

The fourth proportional to 8,146.40, 11,237.55 and 4,787.60 is: 6,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.40 : 11,237.55 = 4,787.60 : x
  2. Step 2: Convert to fraction form
    8,146.40/11,237.55 = 4,787.60/x
  3. Step 3: Cross multiply
    8,146.40x = 11,237.55 × 4,787.60
  4. Step 4: Simplify right side
    8,146.40x = 53,800,894.38
  5. Step 5: Solve for x
    x = 53,800,894.38/8,146.40
  6. Step 6: Final answer
    x = 6,604.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.