Home / 5,102.76-7,043.58-3,006.76

Finding the Fourth Proportional to 5,102.76, 7,043.58 and 3,006.76

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Solution

The fourth proportional to 5,102.76, 7,043.58 and 3,006.76 is: 4,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.76 : 7,043.58 = 3,006.76 : x
  2. Step 2: Convert to fraction form
    5,102.76/7,043.58 = 3,006.76/x
  3. Step 3: Cross multiply
    5,102.76x = 7,043.58 × 3,006.76
  4. Step 4: Simplify right side
    5,102.76x = 21,178,354.60
  5. Step 5: Solve for x
    x = 21,178,354.60/5,102.76
  6. Step 6: Final answer
    x = 4,150.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.