Home / 5,164.75-7,775.23-4,705.48

Finding the Fourth Proportional to 5,164.75, 7,775.23 and 4,705.48

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Solution

The fourth proportional to 5,164.75, 7,775.23 and 4,705.48 is: 7,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.75 : 7,775.23 = 4,705.48 : x
  2. Step 2: Convert to fraction form
    5,164.75/7,775.23 = 4,705.48/x
  3. Step 3: Cross multiply
    5,164.75x = 7,775.23 × 4,705.48
  4. Step 4: Simplify right side
    5,164.75x = 36,586,158.06
  5. Step 5: Solve for x
    x = 36,586,158.06/5,164.75
  6. Step 6: Final answer
    x = 7,083.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.