Home / 7,938.28-11,907.53-3,006.59

Finding the Fourth Proportional to 7,938.28, 11,907.53 and 3,006.59

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Solution

The fourth proportional to 7,938.28, 11,907.53 and 3,006.59 is: 4,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.28 : 11,907.53 = 3,006.59 : x
  2. Step 2: Convert to fraction form
    7,938.28/11,907.53 = 3,006.59/x
  3. Step 3: Cross multiply
    7,938.28x = 11,907.53 × 3,006.59
  4. Step 4: Simplify right side
    7,938.28x = 35,801,097.91
  5. Step 5: Solve for x
    x = 35,801,097.91/7,938.28
  6. Step 6: Final answer
    x = 4,509.93

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1.5x scale

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.