Home / 5,325.48-7,348.73-3,086.64

Finding the Fourth Proportional to 5,325.48, 7,348.73 and 3,086.64

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Solution

The fourth proportional to 5,325.48, 7,348.73 and 3,086.64 is: 4,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.48 : 7,348.73 = 3,086.64 : x
  2. Step 2: Convert to fraction form
    5,325.48/7,348.73 = 3,086.64/x
  3. Step 3: Cross multiply
    5,325.48x = 7,348.73 × 3,086.64
  4. Step 4: Simplify right side
    5,325.48x = 22,682,868.53
  5. Step 5: Solve for x
    x = 22,682,868.53/5,325.48
  6. Step 6: Final answer
    x = 4,259.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.