Home / 5,269.36-7,264.98-4,321.72

Finding the Fourth Proportional to 5,269.36, 7,264.98 and 4,321.72

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Solution

The fourth proportional to 5,269.36, 7,264.98 and 4,321.72 is: 5,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.36 : 7,264.98 = 4,321.72 : x
  2. Step 2: Convert to fraction form
    5,269.36/7,264.98 = 4,321.72/x
  3. Step 3: Cross multiply
    5,269.36x = 7,264.98 × 4,321.72
  4. Step 4: Simplify right side
    5,269.36x = 31,397,209.37
  5. Step 5: Solve for x
    x = 31,397,209.37/5,269.36
  6. Step 6: Final answer
    x = 5,958.45

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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.