Home / 5,326.11-7,977.53-4,391.18

Finding the Fourth Proportional to 5,326.11, 7,977.53 and 4,391.18

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Solution

The fourth proportional to 5,326.11, 7,977.53 and 4,391.18 is: 6,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.11 : 7,977.53 = 4,391.18 : x
  2. Step 2: Convert to fraction form
    5,326.11/7,977.53 = 4,391.18/x
  3. Step 3: Cross multiply
    5,326.11x = 7,977.53 × 4,391.18
  4. Step 4: Simplify right side
    5,326.11x = 35,030,708.34
  5. Step 5: Solve for x
    x = 35,030,708.34/5,326.11
  6. Step 6: Final answer
    x = 6,577.17

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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.