Home / 7,928.25-11,895.18-3,715.26

Finding the Fourth Proportional to 7,928.25, 11,895.18 and 3,715.26

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Solution

The fourth proportional to 7,928.25, 11,895.18 and 3,715.26 is: 5,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.25 : 11,895.18 = 3,715.26 : x
  2. Step 2: Convert to fraction form
    7,928.25/11,895.18 = 3,715.26/x
  3. Step 3: Cross multiply
    7,928.25x = 11,895.18 × 3,715.26
  4. Step 4: Simplify right side
    7,928.25x = 44,193,686.45
  5. Step 5: Solve for x
    x = 44,193,686.45/7,928.25
  6. Step 6: Final answer
    x = 5,574.20

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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.