Home / 5,230.07-7,852.89-2,116.16

Finding the Fourth Proportional to 5,230.07, 7,852.89 and 2,116.16

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Solution

The fourth proportional to 5,230.07, 7,852.89 and 2,116.16 is: 3,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.07 : 7,852.89 = 2,116.16 : x
  2. Step 2: Convert to fraction form
    5,230.07/7,852.89 = 2,116.16/x
  3. Step 3: Cross multiply
    5,230.07x = 7,852.89 × 2,116.16
  4. Step 4: Simplify right side
    5,230.07x = 16,617,932.44
  5. Step 5: Solve for x
    x = 16,617,932.44/5,230.07
  6. Step 6: Final answer
    x = 3,177.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.