Home / 5,088.84-7,632.46-1,391.36

Finding the Fourth Proportional to 5,088.84, 7,632.46 and 1,391.36

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Solution

The fourth proportional to 5,088.84, 7,632.46 and 1,391.36 is: 2,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.84 : 7,632.46 = 1,391.36 : x
  2. Step 2: Convert to fraction form
    5,088.84/7,632.46 = 1,391.36/x
  3. Step 3: Cross multiply
    5,088.84x = 7,632.46 × 1,391.36
  4. Step 4: Simplify right side
    5,088.84x = 10,619,463.12
  5. Step 5: Solve for x
    x = 10,619,463.12/5,088.84
  6. Step 6: Final answer
    x = 2,086.82

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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.