Home / 4,538.78-6,808.72-1,617.38

Finding the Fourth Proportional to 4,538.78, 6,808.72 and 1,617.38

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Solution

The fourth proportional to 4,538.78, 6,808.72 and 1,617.38 is: 2,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.78 : 6,808.72 = 1,617.38 : x
  2. Step 2: Convert to fraction form
    4,538.78/6,808.72 = 1,617.38/x
  3. Step 3: Cross multiply
    4,538.78x = 6,808.72 × 1,617.38
  4. Step 4: Simplify right side
    4,538.78x = 11,012,287.55
  5. Step 5: Solve for x
    x = 11,012,287.55/4,538.78
  6. Step 6: Final answer
    x = 2,426.27

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1.5x scale

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.