Home / 5,222.16-7,827.75-3,833.40

Finding the Fourth Proportional to 5,222.16, 7,827.75 and 3,833.40

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Solution

The fourth proportional to 5,222.16, 7,827.75 and 3,833.40 is: 5,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.16 : 7,827.75 = 3,833.40 : x
  2. Step 2: Convert to fraction form
    5,222.16/7,827.75 = 3,833.40/x
  3. Step 3: Cross multiply
    5,222.16x = 7,827.75 × 3,833.40
  4. Step 4: Simplify right side
    5,222.16x = 30,006,896.85
  5. Step 5: Solve for x
    x = 30,006,896.85/5,222.16
  6. Step 6: Final answer
    x = 5,746.07

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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.