Home / 10,279.63-15,409.72-4,440.34

Finding the Fourth Proportional to 10,279.63, 15,409.72 and 4,440.34

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Solution

The fourth proportional to 10,279.63, 15,409.72 and 4,440.34 is: 6,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.63 : 15,409.72 = 4,440.34 : x
  2. Step 2: Convert to fraction form
    10,279.63/15,409.72 = 4,440.34/x
  3. Step 3: Cross multiply
    10,279.63x = 15,409.72 × 4,440.34
  4. Step 4: Simplify right side
    10,279.63x = 68,424,396.10
  5. Step 5: Solve for x
    x = 68,424,396.10/10,279.63
  6. Step 6: Final answer
    x = 6,656.31

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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.