Home / 5,660.78-8,487.93-2,371.10

Finding the Fourth Proportional to 5,660.78, 8,487.93 and 2,371.10

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Solution

The fourth proportional to 5,660.78, 8,487.93 and 2,371.10 is: 3,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.78 : 8,487.93 = 2,371.10 : x
  2. Step 2: Convert to fraction form
    5,660.78/8,487.93 = 2,371.10/x
  3. Step 3: Cross multiply
    5,660.78x = 8,487.93 × 2,371.10
  4. Step 4: Simplify right side
    5,660.78x = 20,125,730.82
  5. Step 5: Solve for x
    x = 20,125,730.82/5,660.78
  6. Step 6: Final answer
    x = 3,555.29

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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.