Home / 5,729.94-8,589.87-2,955.20

Finding the Fourth Proportional to 5,729.94, 8,589.87 and 2,955.20

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Solution

The fourth proportional to 5,729.94, 8,589.87 and 2,955.20 is: 4,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.94 : 8,589.87 = 2,955.20 : x
  2. Step 2: Convert to fraction form
    5,729.94/8,589.87 = 2,955.20/x
  3. Step 3: Cross multiply
    5,729.94x = 8,589.87 × 2,955.20
  4. Step 4: Simplify right side
    5,729.94x = 25,384,740.87
  5. Step 5: Solve for x
    x = 25,384,740.87/5,729.94
  6. Step 6: Final answer
    x = 4,430.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.