Home / 5,097.65-7,645.32-1,977.53

Finding the Fourth Proportional to 5,097.65, 7,645.32 and 1,977.53

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Solution

The fourth proportional to 5,097.65, 7,645.32 and 1,977.53 is: 2,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.65 : 7,645.32 = 1,977.53 : x
  2. Step 2: Convert to fraction form
    5,097.65/7,645.32 = 1,977.53/x
  3. Step 3: Cross multiply
    5,097.65x = 7,645.32 × 1,977.53
  4. Step 4: Simplify right side
    5,097.65x = 15,118,811.43
  5. Step 5: Solve for x
    x = 15,118,811.43/5,097.65
  6. Step 6: Final answer
    x = 2,965.84

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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.