Home / 5,646.79-8,468.66-2,359.20

Finding the Fourth Proportional to 5,646.79, 8,468.66 and 2,359.20

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Solution

The fourth proportional to 5,646.79, 8,468.66 and 2,359.20 is: 3,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.79 : 8,468.66 = 2,359.20 : x
  2. Step 2: Convert to fraction form
    5,646.79/8,468.66 = 2,359.20/x
  3. Step 3: Cross multiply
    5,646.79x = 8,468.66 × 2,359.20
  4. Step 4: Simplify right side
    5,646.79x = 19,979,268.57
  5. Step 5: Solve for x
    x = 19,979,268.57/5,646.79
  6. Step 6: Final answer
    x = 3,538.17

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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.