Home / 4,715.72-6,507.80-2,619.96

Finding the Fourth Proportional to 4,715.72, 6,507.80 and 2,619.96

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Solution

The fourth proportional to 4,715.72, 6,507.80 and 2,619.96 is: 3,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.72 : 6,507.80 = 2,619.96 : x
  2. Step 2: Convert to fraction form
    4,715.72/6,507.80 = 2,619.96/x
  3. Step 3: Cross multiply
    4,715.72x = 6,507.80 × 2,619.96
  4. Step 4: Simplify right side
    4,715.72x = 17,050,175.69
  5. Step 5: Solve for x
    x = 17,050,175.69/4,715.72
  6. Step 6: Final answer
    x = 3,615.60

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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.