Home / 5,088.24-7,020.96-2,850.21

Finding the Fourth Proportional to 5,088.24, 7,020.96 and 2,850.21

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Solution

The fourth proportional to 5,088.24, 7,020.96 and 2,850.21 is: 3,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.24 : 7,020.96 = 2,850.21 : x
  2. Step 2: Convert to fraction form
    5,088.24/7,020.96 = 2,850.21/x
  3. Step 3: Cross multiply
    5,088.24x = 7,020.96 × 2,850.21
  4. Step 4: Simplify right side
    5,088.24x = 20,011,210.40
  5. Step 5: Solve for x
    x = 20,011,210.40/5,088.24
  6. Step 6: Final answer
    x = 3,932.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.