Home / 5,384.49-8,076.50-1,875.29

Finding the Fourth Proportional to 5,384.49, 8,076.50 and 1,875.29

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Solution

The fourth proportional to 5,384.49, 8,076.50 and 1,875.29 is: 2,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.49 : 8,076.50 = 1,875.29 : x
  2. Step 2: Convert to fraction form
    5,384.49/8,076.50 = 1,875.29/x
  3. Step 3: Cross multiply
    5,384.49x = 8,076.50 × 1,875.29
  4. Step 4: Simplify right side
    5,384.49x = 15,145,767.25
  5. Step 5: Solve for x
    x = 15,145,767.25/5,384.49
  6. Step 6: Final answer
    x = 2,812.85

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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.