Home / 4,688.76-7,034.08-2,091.68

Finding the Fourth Proportional to 4,688.76, 7,034.08 and 2,091.68

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Solution

The fourth proportional to 4,688.76, 7,034.08 and 2,091.68 is: 3,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.76 : 7,034.08 = 2,091.68 : x
  2. Step 2: Convert to fraction form
    4,688.76/7,034.08 = 2,091.68/x
  3. Step 3: Cross multiply
    4,688.76x = 7,034.08 × 2,091.68
  4. Step 4: Simplify right side
    4,688.76x = 14,713,044.45
  5. Step 5: Solve for x
    x = 14,713,044.45/4,688.76
  6. Step 6: Final answer
    x = 3,137.94

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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.