Home / 5,272.12-7,908.18-2,313.46

Finding the Fourth Proportional to 5,272.12, 7,908.18 and 2,313.46

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Solution

The fourth proportional to 5,272.12, 7,908.18 and 2,313.46 is: 3,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.12 : 7,908.18 = 2,313.46 : x
  2. Step 2: Convert to fraction form
    5,272.12/7,908.18 = 2,313.46/x
  3. Step 3: Cross multiply
    5,272.12x = 7,908.18 × 2,313.46
  4. Step 4: Simplify right side
    5,272.12x = 18,295,258.10
  5. Step 5: Solve for x
    x = 18,295,258.10/5,272.12
  6. Step 6: Final answer
    x = 3,470.19

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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.