Home / 4,390.61-6,061.25-3,393.64

Finding the Fourth Proportional to 4,390.61, 6,061.25 and 3,393.64

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Solution

The fourth proportional to 4,390.61, 6,061.25 and 3,393.64 is: 4,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.61 : 6,061.25 = 3,393.64 : x
  2. Step 2: Convert to fraction form
    4,390.61/6,061.25 = 3,393.64/x
  3. Step 3: Cross multiply
    4,390.61x = 6,061.25 × 3,393.64
  4. Step 4: Simplify right side
    4,390.61x = 20,569,653.18
  5. Step 5: Solve for x
    x = 20,569,653.18/4,390.61
  6. Step 6: Final answer
    x = 4,684.92

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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.