Home / 4,656.15-6,978.29-2,185.52

Finding the Fourth Proportional to 4,656.15, 6,978.29 and 2,185.52

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Solution

The fourth proportional to 4,656.15, 6,978.29 and 2,185.52 is: 3,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.15 : 6,978.29 = 2,185.52 : x
  2. Step 2: Convert to fraction form
    4,656.15/6,978.29 = 2,185.52/x
  3. Step 3: Cross multiply
    4,656.15x = 6,978.29 × 2,185.52
  4. Step 4: Simplify right side
    4,656.15x = 15,251,146.54
  5. Step 5: Solve for x
    x = 15,251,146.54/4,656.15
  6. Step 6: Final answer
    x = 3,275.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.