Home / 4,724.16-7,086.36-1,261.68

Finding the Fourth Proportional to 4,724.16, 7,086.36 and 1,261.68

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Solution

The fourth proportional to 4,724.16, 7,086.36 and 1,261.68 is: 1,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.16 : 7,086.36 = 1,261.68 : x
  2. Step 2: Convert to fraction form
    4,724.16/7,086.36 = 1,261.68/x
  3. Step 3: Cross multiply
    4,724.16x = 7,086.36 × 1,261.68
  4. Step 4: Simplify right side
    4,724.16x = 8,940,718.68
  5. Step 5: Solve for x
    x = 8,940,718.68/4,724.16
  6. Step 6: Final answer
    x = 1,892.55

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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.