Home / 4,687.98-7,031.52-1,914.75

Finding the Fourth Proportional to 4,687.98, 7,031.52 and 1,914.75

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Solution

The fourth proportional to 4,687.98, 7,031.52 and 1,914.75 is: 2,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.98 : 7,031.52 = 1,914.75 : x
  2. Step 2: Convert to fraction form
    4,687.98/7,031.52 = 1,914.75/x
  3. Step 3: Cross multiply
    4,687.98x = 7,031.52 × 1,914.75
  4. Step 4: Simplify right side
    4,687.98x = 13,463,602.92
  5. Step 5: Solve for x
    x = 13,463,602.92/4,687.98
  6. Step 6: Final answer
    x = 2,871.94

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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.