Home / 5,223.76-7,830.56-1,935.92

Finding the Fourth Proportional to 5,223.76, 7,830.56 and 1,935.92

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Solution

The fourth proportional to 5,223.76, 7,830.56 and 1,935.92 is: 2,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.76 : 7,830.56 = 1,935.92 : x
  2. Step 2: Convert to fraction form
    5,223.76/7,830.56 = 1,935.92/x
  3. Step 3: Cross multiply
    5,223.76x = 7,830.56 × 1,935.92
  4. Step 4: Simplify right side
    5,223.76x = 15,159,337.72
  5. Step 5: Solve for x
    x = 15,159,337.72/5,223.76
  6. Step 6: Final answer
    x = 2,902.00

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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.