Home / 4,642.76-6,959.28-2,175.50

Finding the Fourth Proportional to 4,642.76, 6,959.28 and 2,175.50

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Solution

The fourth proportional to 4,642.76, 6,959.28 and 2,175.50 is: 3,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.76 : 6,959.28 = 2,175.50 : x
  2. Step 2: Convert to fraction form
    4,642.76/6,959.28 = 2,175.50/x
  3. Step 3: Cross multiply
    4,642.76x = 6,959.28 × 2,175.50
  4. Step 4: Simplify right side
    4,642.76x = 15,139,913.64
  5. Step 5: Solve for x
    x = 15,139,913.64/4,642.76
  6. Step 6: Final answer
    x = 3,260.97

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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.