Home / 7,101.30-10,652.73-1,907.58

Finding the Fourth Proportional to 7,101.30, 10,652.73 and 1,907.58

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Solution

The fourth proportional to 7,101.30, 10,652.73 and 1,907.58 is: 2,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.30 : 10,652.73 = 1,907.58 : x
  2. Step 2: Convert to fraction form
    7,101.30/10,652.73 = 1,907.58/x
  3. Step 3: Cross multiply
    7,101.30x = 10,652.73 × 1,907.58
  4. Step 4: Simplify right side
    7,101.30x = 20,320,934.69
  5. Step 5: Solve for x
    x = 20,320,934.69/7,101.30
  6. Step 6: Final answer
    x = 2,861.58

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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.