Home / 5,685-7,844.16-3,326.64

Finding the Fourth Proportional to 5,685, 7,844.16 and 3,326.64

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Solution

The fourth proportional to 5,685, 7,844.16 and 3,326.64 is: 4,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685 : 7,844.16 = 3,326.64 : x
  2. Step 2: Convert to fraction form
    5,685/7,844.16 = 3,326.64/x
  3. Step 3: Cross multiply
    5,685x = 7,844.16 × 3,326.64
  4. Step 4: Simplify right side
    5,685x = 26,094,696.42
  5. Step 5: Solve for x
    x = 26,094,696.42/5,685
  6. Step 6: Final answer
    x = 4,590.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.