Home / 5,487.64-8,231.34-1,977.52

Finding the Fourth Proportional to 5,487.64, 8,231.34 and 1,977.52

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Solution

The fourth proportional to 5,487.64, 8,231.34 and 1,977.52 is: 2,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.64 : 8,231.34 = 1,977.52 : x
  2. Step 2: Convert to fraction form
    5,487.64/8,231.34 = 1,977.52/x
  3. Step 3: Cross multiply
    5,487.64x = 8,231.34 × 1,977.52
  4. Step 4: Simplify right side
    5,487.64x = 16,277,639.48
  5. Step 5: Solve for x
    x = 16,277,639.48/5,487.64
  6. Step 6: Final answer
    x = 2,966.24

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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.