Home / 5,097.30-7,646.87-1,977.04

Finding the Fourth Proportional to 5,097.30, 7,646.87 and 1,977.04

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Solution

The fourth proportional to 5,097.30, 7,646.87 and 1,977.04 is: 2,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.30 : 7,646.87 = 1,977.04 : x
  2. Step 2: Convert to fraction form
    5,097.30/7,646.87 = 1,977.04/x
  3. Step 3: Cross multiply
    5,097.30x = 7,646.87 × 1,977.04
  4. Step 4: Simplify right side
    5,097.30x = 15,118,182.37
  5. Step 5: Solve for x
    x = 15,118,182.37/5,097.30
  6. Step 6: Final answer
    x = 2,965.92

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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.