Home / 4,267.76-5,889.36-2,379.28

Finding the Fourth Proportional to 4,267.76, 5,889.36 and 2,379.28

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Solution

The fourth proportional to 4,267.76, 5,889.36 and 2,379.28 is: 3,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.76 : 5,889.36 = 2,379.28 : x
  2. Step 2: Convert to fraction form
    4,267.76/5,889.36 = 2,379.28/x
  3. Step 3: Cross multiply
    4,267.76x = 5,889.36 × 2,379.28
  4. Step 4: Simplify right side
    4,267.76x = 14,012,436.46
  5. Step 5: Solve for x
    x = 14,012,436.46/4,267.76
  6. Step 6: Final answer
    x = 3,283.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.