Home / 5,827.23-8,039.01-3,938.12

Finding the Fourth Proportional to 5,827.23, 8,039.01 and 3,938.12

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Solution

The fourth proportional to 5,827.23, 8,039.01 and 3,938.12 is: 5,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.23 : 8,039.01 = 3,938.12 : x
  2. Step 2: Convert to fraction form
    5,827.23/8,039.01 = 3,938.12/x
  3. Step 3: Cross multiply
    5,827.23x = 8,039.01 × 3,938.12
  4. Step 4: Simplify right side
    5,827.23x = 31,658,586.06
  5. Step 5: Solve for x
    x = 31,658,586.06/5,827.23
  6. Step 6: Final answer
    x = 5,432.87

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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.