Home / 5,729.05-7,905.54-3,339.28

Finding the Fourth Proportional to 5,729.05, 7,905.54 and 3,339.28

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Solution

The fourth proportional to 5,729.05, 7,905.54 and 3,339.28 is: 4,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.05 : 7,905.54 = 3,339.28 : x
  2. Step 2: Convert to fraction form
    5,729.05/7,905.54 = 3,339.28/x
  3. Step 3: Cross multiply
    5,729.05x = 7,905.54 × 3,339.28
  4. Step 4: Simplify right side
    5,729.05x = 26,398,811.61
  5. Step 5: Solve for x
    x = 26,398,811.61/5,729.05
  6. Step 6: Final answer
    x = 4,607.89

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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.