Home / 5,729.63-8,588.37-3,643.07

Finding the Fourth Proportional to 5,729.63, 8,588.37 and 3,643.07

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Solution

The fourth proportional to 5,729.63, 8,588.37 and 3,643.07 is: 5,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.63 : 8,588.37 = 3,643.07 : x
  2. Step 2: Convert to fraction form
    5,729.63/8,588.37 = 3,643.07/x
  3. Step 3: Cross multiply
    5,729.63x = 8,588.37 × 3,643.07
  4. Step 4: Simplify right side
    5,729.63x = 31,288,033.10
  5. Step 5: Solve for x
    x = 31,288,033.10/5,729.63
  6. Step 6: Final answer
    x = 5,460.74

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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.