Home / 5,393.64-7,443.94-4,000.36

Finding the Fourth Proportional to 5,393.64, 7,443.94 and 4,000.36

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Solution

The fourth proportional to 5,393.64, 7,443.94 and 4,000.36 is: 5,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.64 : 7,443.94 = 4,000.36 : x
  2. Step 2: Convert to fraction form
    5,393.64/7,443.94 = 4,000.36/x
  3. Step 3: Cross multiply
    5,393.64x = 7,443.94 × 4,000.36
  4. Step 4: Simplify right side
    5,393.64x = 29,778,439.82
  5. Step 5: Solve for x
    x = 29,778,439.82/5,393.64
  6. Step 6: Final answer
    x = 5,521.03

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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.