Home / 5,179.63-7,805.89-4,686.70

Finding the Fourth Proportional to 5,179.63, 7,805.89 and 4,686.70

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Solution

The fourth proportional to 5,179.63, 7,805.89 and 4,686.70 is: 7,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.63 : 7,805.89 = 4,686.70 : x
  2. Step 2: Convert to fraction form
    5,179.63/7,805.89 = 4,686.70/x
  3. Step 3: Cross multiply
    5,179.63x = 7,805.89 × 4,686.70
  4. Step 4: Simplify right side
    5,179.63x = 36,583,864.66
  5. Step 5: Solve for x
    x = 36,583,864.66/5,179.63
  6. Step 6: Final answer
    x = 7,063.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.