Home / 7,938.83-11,895.26-4,809.35

Finding the Fourth Proportional to 7,938.83, 11,895.26 and 4,809.35

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Solution

The fourth proportional to 7,938.83, 11,895.26 and 4,809.35 is: 7,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.83 : 11,895.26 = 4,809.35 : x
  2. Step 2: Convert to fraction form
    7,938.83/11,895.26 = 4,809.35/x
  3. Step 3: Cross multiply
    7,938.83x = 11,895.26 × 4,809.35
  4. Step 4: Simplify right side
    7,938.83x = 57,208,474.37
  5. Step 5: Solve for x
    x = 57,208,474.37/7,938.83
  6. Step 6: Final answer
    x = 7,206.16

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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.