Home / 4,871.52-6,721.74-2,983.50

Finding the Fourth Proportional to 4,871.52, 6,721.74 and 2,983.50

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Solution

The fourth proportional to 4,871.52, 6,721.74 and 2,983.50 is: 4,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.52 : 6,721.74 = 2,983.50 : x
  2. Step 2: Convert to fraction form
    4,871.52/6,721.74 = 2,983.50/x
  3. Step 3: Cross multiply
    4,871.52x = 6,721.74 × 2,983.50
  4. Step 4: Simplify right side
    4,871.52x = 20,054,311.29
  5. Step 5: Solve for x
    x = 20,054,311.29/4,871.52
  6. Step 6: Final answer
    x = 4,116.64

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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.