Home / 5,729.75-7,907.51-3,372.35

Finding the Fourth Proportional to 5,729.75, 7,907.51 and 3,372.35

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Solution

The fourth proportional to 5,729.75, 7,907.51 and 3,372.35 is: 4,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.75 : 7,907.51 = 3,372.35 : x
  2. Step 2: Convert to fraction form
    5,729.75/7,907.51 = 3,372.35/x
  3. Step 3: Cross multiply
    5,729.75x = 7,907.51 × 3,372.35
  4. Step 4: Simplify right side
    5,729.75x = 26,666,846.01
  5. Step 5: Solve for x
    x = 26,666,846.01/5,729.75
  6. Step 6: Final answer
    x = 4,654.10

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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.