Home / 8,945.34-13,409.79-4,557.66

Finding the Fourth Proportional to 8,945.34, 13,409.79 and 4,557.66

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Solution

The fourth proportional to 8,945.34, 13,409.79 and 4,557.66 is: 6,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.34 : 13,409.79 = 4,557.66 : x
  2. Step 2: Convert to fraction form
    8,945.34/13,409.79 = 4,557.66/x
  3. Step 3: Cross multiply
    8,945.34x = 13,409.79 × 4,557.66
  4. Step 4: Simplify right side
    8,945.34x = 61,117,263.49
  5. Step 5: Solve for x
    x = 61,117,263.49/8,945.34
  6. Step 6: Final answer
    x = 6,832.30

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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.