Home / 5,117.10-7,675.64-3,659.10

Finding the Fourth Proportional to 5,117.10, 7,675.64 and 3,659.10

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Solution

The fourth proportional to 5,117.10, 7,675.64 and 3,659.10 is: 5,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.10 : 7,675.64 = 3,659.10 : x
  2. Step 2: Convert to fraction form
    5,117.10/7,675.64 = 3,659.10/x
  3. Step 3: Cross multiply
    5,117.10x = 7,675.64 × 3,659.10
  4. Step 4: Simplify right side
    5,117.10x = 28,085,934.32
  5. Step 5: Solve for x
    x = 28,085,934.32/5,117.10
  6. Step 6: Final answer
    x = 5,488.64

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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.