Home / 5,886.46-8,830.91-1,991.17

Finding the Fourth Proportional to 5,886.46, 8,830.91 and 1,991.17

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Solution

The fourth proportional to 5,886.46, 8,830.91 and 1,991.17 is: 2,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.46 : 8,830.91 = 1,991.17 : x
  2. Step 2: Convert to fraction form
    5,886.46/8,830.91 = 1,991.17/x
  3. Step 3: Cross multiply
    5,886.46x = 8,830.91 × 1,991.17
  4. Step 4: Simplify right side
    5,886.46x = 17,583,843.06
  5. Step 5: Solve for x
    x = 17,583,843.06/5,886.46
  6. Step 6: Final answer
    x = 2,987.17

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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.