Home / 4,720.81-7,075.33-4,134.58

Finding the Fourth Proportional to 4,720.81, 7,075.33 and 4,134.58

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Solution

The fourth proportional to 4,720.81, 7,075.33 and 4,134.58 is: 6,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.81 : 7,075.33 = 4,134.58 : x
  2. Step 2: Convert to fraction form
    4,720.81/7,075.33 = 4,134.58/x
  3. Step 3: Cross multiply
    4,720.81x = 7,075.33 × 4,134.58
  4. Step 4: Simplify right side
    4,720.81x = 29,253,517.91
  5. Step 5: Solve for x
    x = 29,253,517.91/4,720.81
  6. Step 6: Final answer
    x = 6,196.72

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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.