Home / 5,088.83-7,021.76-2,850.66

Finding the Fourth Proportional to 5,088.83, 7,021.76 and 2,850.66

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Solution

The fourth proportional to 5,088.83, 7,021.76 and 2,850.66 is: 3,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.83 : 7,021.76 = 2,850.66 : x
  2. Step 2: Convert to fraction form
    5,088.83/7,021.76 = 2,850.66/x
  3. Step 3: Cross multiply
    5,088.83x = 7,021.76 × 2,850.66
  4. Step 4: Simplify right side
    5,088.83x = 20,016,636.11
  5. Step 5: Solve for x
    x = 20,016,636.11/5,088.83
  6. Step 6: Final answer
    x = 3,933.45

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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.