Home / 4,187.61-5,772.29-3,345.66

Finding the Fourth Proportional to 4,187.61, 5,772.29 and 3,345.66

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Solution

The fourth proportional to 4,187.61, 5,772.29 and 3,345.66 is: 4,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.61 : 5,772.29 = 3,345.66 : x
  2. Step 2: Convert to fraction form
    4,187.61/5,772.29 = 3,345.66/x
  3. Step 3: Cross multiply
    4,187.61x = 5,772.29 × 3,345.66
  4. Step 4: Simplify right side
    4,187.61x = 19,312,103.03
  5. Step 5: Solve for x
    x = 19,312,103.03/4,187.61
  6. Step 6: Final answer
    x = 4,611.72

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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.