Home / 8,347.15-12,525.58-3,153.43

Finding the Fourth Proportional to 8,347.15, 12,525.58 and 3,153.43

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Solution

The fourth proportional to 8,347.15, 12,525.58 and 3,153.43 is: 4,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.15 : 12,525.58 = 3,153.43 : x
  2. Step 2: Convert to fraction form
    8,347.15/12,525.58 = 3,153.43/x
  3. Step 3: Cross multiply
    8,347.15x = 12,525.58 × 3,153.43
  4. Step 4: Simplify right side
    8,347.15x = 39,498,477.11
  5. Step 5: Solve for x
    x = 39,498,477.11/8,347.15
  6. Step 6: Final answer
    x = 4,731.97

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1.5x scale

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.