Home / 7,938.19-11,925.51-5,603.56

Finding the Fourth Proportional to 7,938.19, 11,925.51 and 5,603.56

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Solution

The fourth proportional to 7,938.19, 11,925.51 and 5,603.56 is: 8,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.19 : 11,925.51 = 5,603.56 : x
  2. Step 2: Convert to fraction form
    7,938.19/11,925.51 = 5,603.56/x
  3. Step 3: Cross multiply
    7,938.19x = 11,925.51 × 5,603.56
  4. Step 4: Simplify right side
    7,938.19x = 66,825,310.82
  5. Step 5: Solve for x
    x = 66,825,310.82/7,938.19
  6. Step 6: Final answer
    x = 8,418.21

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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.