Home / 5,089.12-7,634.78-1,579.05

Finding the Fourth Proportional to 5,089.12, 7,634.78 and 1,579.05

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Solution

The fourth proportional to 5,089.12, 7,634.78 and 1,579.05 is: 2,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.12 : 7,634.78 = 1,579.05 : x
  2. Step 2: Convert to fraction form
    5,089.12/7,634.78 = 1,579.05/x
  3. Step 3: Cross multiply
    5,089.12x = 7,634.78 × 1,579.05
  4. Step 4: Simplify right side
    5,089.12x = 12,055,726.02
  5. Step 5: Solve for x
    x = 12,055,726.02/5,089.12
  6. Step 6: Final answer
    x = 2,368.92

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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.