Home / 4,661.55-6,991.79-1,374.57

Finding the Fourth Proportional to 4,661.55, 6,991.79 and 1,374.57

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Solution

The fourth proportional to 4,661.55, 6,991.79 and 1,374.57 is: 2,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.55 : 6,991.79 = 1,374.57 : x
  2. Step 2: Convert to fraction form
    4,661.55/6,991.79 = 1,374.57/x
  3. Step 3: Cross multiply
    4,661.55x = 6,991.79 × 1,374.57
  4. Step 4: Simplify right side
    4,661.55x = 9,610,697.91
  5. Step 5: Solve for x
    x = 9,610,697.91/4,661.55
  6. Step 6: Final answer
    x = 2,061.70

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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.