Home / 5,141.60-7,707.76-1,852.38

Finding the Fourth Proportional to 5,141.60, 7,707.76 and 1,852.38

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Solution

The fourth proportional to 5,141.60, 7,707.76 and 1,852.38 is: 2,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.60 : 7,707.76 = 1,852.38 : x
  2. Step 2: Convert to fraction form
    5,141.60/7,707.76 = 1,852.38/x
  3. Step 3: Cross multiply
    5,141.60x = 7,707.76 × 1,852.38
  4. Step 4: Simplify right side
    5,141.60x = 14,277,700.47
  5. Step 5: Solve for x
    x = 14,277,700.47/5,141.60
  6. Step 6: Final answer
    x = 2,776.90

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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.