Home / 6,671.10-10,008.27-1,991.07

Finding the Fourth Proportional to 6,671.10, 10,008.27 and 1,991.07

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Solution

The fourth proportional to 6,671.10, 10,008.27 and 1,991.07 is: 2,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.10 : 10,008.27 = 1,991.07 : x
  2. Step 2: Convert to fraction form
    6,671.10/10,008.27 = 1,991.07/x
  3. Step 3: Cross multiply
    6,671.10x = 10,008.27 × 1,991.07
  4. Step 4: Simplify right side
    6,671.10x = 19,927,166.15
  5. Step 5: Solve for x
    x = 19,927,166.15/6,671.10
  6. Step 6: Final answer
    x = 2,987.09

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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.