Home / 5,091.84-7,635.36-1,628.16

Finding the Fourth Proportional to 5,091.84, 7,635.36 and 1,628.16

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Solution

The fourth proportional to 5,091.84, 7,635.36 and 1,628.16 is: 2,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.84 : 7,635.36 = 1,628.16 : x
  2. Step 2: Convert to fraction form
    5,091.84/7,635.36 = 1,628.16/x
  3. Step 3: Cross multiply
    5,091.84x = 7,635.36 × 1,628.16
  4. Step 4: Simplify right side
    5,091.84x = 12,431,587.74
  5. Step 5: Solve for x
    x = 12,431,587.74/5,091.84
  6. Step 6: Final answer
    x = 2,441.47

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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.