Home / 5,669.36-7,823.40-3,185.36

Finding the Fourth Proportional to 5,669.36, 7,823.40 and 3,185.36

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Solution

The fourth proportional to 5,669.36, 7,823.40 and 3,185.36 is: 4,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.36 : 7,823.40 = 3,185.36 : x
  2. Step 2: Convert to fraction form
    5,669.36/7,823.40 = 3,185.36/x
  3. Step 3: Cross multiply
    5,669.36x = 7,823.40 × 3,185.36
  4. Step 4: Simplify right side
    5,669.36x = 24,920,345.42
  5. Step 5: Solve for x
    x = 24,920,345.42/5,669.36
  6. Step 6: Final answer
    x = 4,395.62

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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.