Home / 6,686.12-10,038.90-4,936.52

Finding the Fourth Proportional to 6,686.12, 10,038.90 and 4,936.52

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Solution

The fourth proportional to 6,686.12, 10,038.90 and 4,936.52 is: 7,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.12 : 10,038.90 = 4,936.52 : x
  2. Step 2: Convert to fraction form
    6,686.12/10,038.90 = 4,936.52/x
  3. Step 3: Cross multiply
    6,686.12x = 10,038.90 × 4,936.52
  4. Step 4: Simplify right side
    6,686.12x = 49,557,230.63
  5. Step 5: Solve for x
    x = 49,557,230.63/6,686.12
  6. Step 6: Final answer
    x = 7,411.96

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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.