Home / 5,089.80-7,634.28-1,579.66

Finding the Fourth Proportional to 5,089.80, 7,634.28 and 1,579.66

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Solution

The fourth proportional to 5,089.80, 7,634.28 and 1,579.66 is: 2,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.80 : 7,634.28 = 1,579.66 : x
  2. Step 2: Convert to fraction form
    5,089.80/7,634.28 = 1,579.66/x
  3. Step 3: Cross multiply
    5,089.80x = 7,634.28 × 1,579.66
  4. Step 4: Simplify right side
    5,089.80x = 12,059,566.74
  5. Step 5: Solve for x
    x = 12,059,566.74/5,089.80
  6. Step 6: Final answer
    x = 2,369.36

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1.5x scale

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.