Home / 5,088.60-7,022.54-2,850.35

Finding the Fourth Proportional to 5,088.60, 7,022.54 and 2,850.35

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Solution

The fourth proportional to 5,088.60, 7,022.54 and 2,850.35 is: 3,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.60 : 7,022.54 = 2,850.35 : x
  2. Step 2: Convert to fraction form
    5,088.60/7,022.54 = 2,850.35/x
  3. Step 3: Cross multiply
    5,088.60x = 7,022.54 × 2,850.35
  4. Step 4: Simplify right side
    5,088.60x = 20,016,647.52
  5. Step 5: Solve for x
    x = 20,016,647.52/5,088.60
  6. Step 6: Final answer
    x = 3,933.63

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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.