Home / 5,088.40-7,021.64-2,850.26

Finding the Fourth Proportional to 5,088.40, 7,021.64 and 2,850.26

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Solution

The fourth proportional to 5,088.40, 7,021.64 and 2,850.26 is: 3,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.40 : 7,021.64 = 2,850.26 : x
  2. Step 2: Convert to fraction form
    5,088.40/7,021.64 = 2,850.26/x
  3. Step 3: Cross multiply
    5,088.40x = 7,021.64 × 2,850.26
  4. Step 4: Simplify right side
    5,088.40x = 20,013,471.64
  5. Step 5: Solve for x
    x = 20,013,471.64/5,088.40
  6. Step 6: Final answer
    x = 3,933.16

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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.