Home / 5,166.06-7,165.73-4,989.05

Finding the Fourth Proportional to 5,166.06, 7,165.73 and 4,989.05

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Solution

The fourth proportional to 5,166.06, 7,165.73 and 4,989.05 is: 6,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.06 : 7,165.73 = 4,989.05 : x
  2. Step 2: Convert to fraction form
    5,166.06/7,165.73 = 4,989.05/x
  3. Step 3: Cross multiply
    5,166.06x = 7,165.73 × 4,989.05
  4. Step 4: Simplify right side
    5,166.06x = 35,750,124.48
  5. Step 5: Solve for x
    x = 35,750,124.48/5,166.06
  6. Step 6: Final answer
    x = 6,920.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.