Home / 4,655.26-6,985.16-2,190.32

Finding the Fourth Proportional to 4,655.26, 6,985.16 and 2,190.32

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Solution

The fourth proportional to 4,655.26, 6,985.16 and 2,190.32 is: 3,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.26 : 6,985.16 = 2,190.32 : x
  2. Step 2: Convert to fraction form
    4,655.26/6,985.16 = 2,190.32/x
  3. Step 3: Cross multiply
    4,655.26x = 6,985.16 × 2,190.32
  4. Step 4: Simplify right side
    4,655.26x = 15,299,758.59
  5. Step 5: Solve for x
    x = 15,299,758.59/4,655.26
  6. Step 6: Final answer
    x = 3,286.55

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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.