Home / 4,129.32-5,681.56-3,568

Finding the Fourth Proportional to 4,129.32, 5,681.56 and 3,568

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Solution

The fourth proportional to 4,129.32, 5,681.56 and 3,568 is: 4,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.32 : 5,681.56 = 3,568 : x
  2. Step 2: Convert to fraction form
    4,129.32/5,681.56 = 3,568/x
  3. Step 3: Cross multiply
    4,129.32x = 5,681.56 × 3,568
  4. Step 4: Simplify right side
    4,129.32x = 20,271,806.08
  5. Step 5: Solve for x
    x = 20,271,806.08/4,129.32
  6. Step 6: Final answer
    x = 4,909.24

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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.