Home / 4,686.94-7,031.30-1,399.96

Finding the Fourth Proportional to 4,686.94, 7,031.30 and 1,399.96

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Solution

The fourth proportional to 4,686.94, 7,031.30 and 1,399.96 is: 2,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.94 : 7,031.30 = 1,399.96 : x
  2. Step 2: Convert to fraction form
    4,686.94/7,031.30 = 1,399.96/x
  3. Step 3: Cross multiply
    4,686.94x = 7,031.30 × 1,399.96
  4. Step 4: Simplify right side
    4,686.94x = 9,843,538.75
  5. Step 5: Solve for x
    x = 9,843,538.75/4,686.94
  6. Step 6: Final answer
    x = 2,100.21

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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.