Home / 5,812.45-8,717.95-1,864.15

Finding the Fourth Proportional to 5,812.45, 8,717.95 and 1,864.15

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Solution

The fourth proportional to 5,812.45, 8,717.95 and 1,864.15 is: 2,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.45 : 8,717.95 = 1,864.15 : x
  2. Step 2: Convert to fraction form
    5,812.45/8,717.95 = 1,864.15/x
  3. Step 3: Cross multiply
    5,812.45x = 8,717.95 × 1,864.15
  4. Step 4: Simplify right side
    5,812.45x = 16,251,513.58
  5. Step 5: Solve for x
    x = 16,251,513.58/5,812.45
  6. Step 6: Final answer
    x = 2,795.99

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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.