Home / 5,307.72-7,957.32-2,673.78

Finding the Fourth Proportional to 5,307.72, 7,957.32 and 2,673.78

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Solution

The fourth proportional to 5,307.72, 7,957.32 and 2,673.78 is: 4,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.72 : 7,957.32 = 2,673.78 : x
  2. Step 2: Convert to fraction form
    5,307.72/7,957.32 = 2,673.78/x
  3. Step 3: Cross multiply
    5,307.72x = 7,957.32 × 2,673.78
  4. Step 4: Simplify right side
    5,307.72x = 21,276,123.07
  5. Step 5: Solve for x
    x = 21,276,123.07/5,307.72
  6. Step 6: Final answer
    x = 4,008.52

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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.