Home / 5,177.84-7,767.91-1,890.93

Finding the Fourth Proportional to 5,177.84, 7,767.91 and 1,890.93

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Solution

The fourth proportional to 5,177.84, 7,767.91 and 1,890.93 is: 2,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.84 : 7,767.91 = 1,890.93 : x
  2. Step 2: Convert to fraction form
    5,177.84/7,767.91 = 1,890.93/x
  3. Step 3: Cross multiply
    5,177.84x = 7,767.91 × 1,890.93
  4. Step 4: Simplify right side
    5,177.84x = 14,688,569.33
  5. Step 5: Solve for x
    x = 14,688,569.33/5,177.84
  6. Step 6: Final answer
    x = 2,836.81

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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.