Home / 8,554.92-12,829.12-4,111.36

Finding the Fourth Proportional to 8,554.92, 12,829.12 and 4,111.36

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Solution

The fourth proportional to 8,554.92, 12,829.12 and 4,111.36 is: 6,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.92 : 12,829.12 = 4,111.36 : x
  2. Step 2: Convert to fraction form
    8,554.92/12,829.12 = 4,111.36/x
  3. Step 3: Cross multiply
    8,554.92x = 12,829.12 × 4,111.36
  4. Step 4: Simplify right side
    8,554.92x = 52,745,130.80
  5. Step 5: Solve for x
    x = 52,745,130.80/8,554.92
  6. Step 6: Final answer
    x = 6,165.47

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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.