Home / 5,325.57-7,986.72-3,546.81

Finding the Fourth Proportional to 5,325.57, 7,986.72 and 3,546.81

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Solution

The fourth proportional to 5,325.57, 7,986.72 and 3,546.81 is: 5,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.57 : 7,986.72 = 3,546.81 : x
  2. Step 2: Convert to fraction form
    5,325.57/7,986.72 = 3,546.81/x
  3. Step 3: Cross multiply
    5,325.57x = 7,986.72 × 3,546.81
  4. Step 4: Simplify right side
    5,325.57x = 28,327,378.36
  5. Step 5: Solve for x
    x = 28,327,378.36/5,325.57
  6. Step 6: Final answer
    x = 5,319.13

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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.