Home / 4,885.14-7,316.70-3,780.72

Finding the Fourth Proportional to 4,885.14, 7,316.70 and 3,780.72

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Solution

The fourth proportional to 4,885.14, 7,316.70 and 3,780.72 is: 5,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.14 : 7,316.70 = 3,780.72 : x
  2. Step 2: Convert to fraction form
    4,885.14/7,316.70 = 3,780.72/x
  3. Step 3: Cross multiply
    4,885.14x = 7,316.70 × 3,780.72
  4. Step 4: Simplify right side
    4,885.14x = 27,662,394.02
  5. Step 5: Solve for x
    x = 27,662,394.02/4,885.14
  6. Step 6: Final answer
    x = 5,662.56

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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.