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Finding the Fourth Proportional to 5,806.15, 8,019.02 and 3,925.51

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Solution

The fourth proportional to 5,806.15, 8,019.02 and 3,925.51 is: 5,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.15 : 8,019.02 = 3,925.51 : x
  2. Step 2: Convert to fraction form
    5,806.15/8,019.02 = 3,925.51/x
  3. Step 3: Cross multiply
    5,806.15x = 8,019.02 × 3,925.51
  4. Step 4: Simplify right side
    5,806.15x = 31,478,732.97
  5. Step 5: Solve for x
    x = 31,478,732.97/5,806.15
  6. Step 6: Final answer
    x = 5,421.62

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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.