Home / 5,389.05-8,088.45-2,271.36

Finding the Fourth Proportional to 5,389.05, 8,088.45 and 2,271.36

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Solution

The fourth proportional to 5,389.05, 8,088.45 and 2,271.36 is: 3,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.05 : 8,088.45 = 2,271.36 : x
  2. Step 2: Convert to fraction form
    5,389.05/8,088.45 = 2,271.36/x
  3. Step 3: Cross multiply
    5,389.05x = 8,088.45 × 2,271.36
  4. Step 4: Simplify right side
    5,389.05x = 18,371,781.79
  5. Step 5: Solve for x
    x = 18,371,781.79/5,389.05
  6. Step 6: Final answer
    x = 3,409.09

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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.