Home / 5,554.39-7,665.12-3,565

Finding the Fourth Proportional to 5,554.39, 7,665.12 and 3,565

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Solution

The fourth proportional to 5,554.39, 7,665.12 and 3,565 is: 4,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.39 : 7,665.12 = 3,565 : x
  2. Step 2: Convert to fraction form
    5,554.39/7,665.12 = 3,565/x
  3. Step 3: Cross multiply
    5,554.39x = 7,665.12 × 3,565
  4. Step 4: Simplify right side
    5,554.39x = 27,326,152.80
  5. Step 5: Solve for x
    x = 27,326,152.80/5,554.39
  6. Step 6: Final answer
    x = 4,919.74

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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.