Home / 5,088.18-7,021.86-2,850.69

Finding the Fourth Proportional to 5,088.18, 7,021.86 and 2,850.69

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Solution

The fourth proportional to 5,088.18, 7,021.86 and 2,850.69 is: 3,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.18 : 7,021.86 = 2,850.69 : x
  2. Step 2: Convert to fraction form
    5,088.18/7,021.86 = 2,850.69/x
  3. Step 3: Cross multiply
    5,088.18x = 7,021.86 × 2,850.69
  4. Step 4: Simplify right side
    5,088.18x = 20,017,146.08
  5. Step 5: Solve for x
    x = 20,017,146.08/5,088.18
  6. Step 6: Final answer
    x = 3,934.05

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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.