Home / 5,328.32-7,366.37-3,999.72

Finding the Fourth Proportional to 5,328.32, 7,366.37 and 3,999.72

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Solution

The fourth proportional to 5,328.32, 7,366.37 and 3,999.72 is: 5,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.32 : 7,366.37 = 3,999.72 : x
  2. Step 2: Convert to fraction form
    5,328.32/7,366.37 = 3,999.72/x
  3. Step 3: Cross multiply
    5,328.32x = 7,366.37 × 3,999.72
  4. Step 4: Simplify right side
    5,328.32x = 29,463,417.42
  5. Step 5: Solve for x
    x = 29,463,417.42/5,328.32
  6. Step 6: Final answer
    x = 5,529.59

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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.