Home / 5,087.79-7,632.29-1,800.21

Finding the Fourth Proportional to 5,087.79, 7,632.29 and 1,800.21

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Solution

The fourth proportional to 5,087.79, 7,632.29 and 1,800.21 is: 2,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.79 : 7,632.29 = 1,800.21 : x
  2. Step 2: Convert to fraction form
    5,087.79/7,632.29 = 1,800.21/x
  3. Step 3: Cross multiply
    5,087.79x = 7,632.29 × 1,800.21
  4. Step 4: Simplify right side
    5,087.79x = 13,739,724.78
  5. Step 5: Solve for x
    x = 13,739,724.78/5,087.79
  6. Step 6: Final answer
    x = 2,700.53

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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.