Home / 8,485.18-12,732.73-3,554.40

Finding the Fourth Proportional to 8,485.18, 12,732.73 and 3,554.40

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Solution

The fourth proportional to 8,485.18, 12,732.73 and 3,554.40 is: 5,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.18 : 12,732.73 = 3,554.40 : x
  2. Step 2: Convert to fraction form
    8,485.18/12,732.73 = 3,554.40/x
  3. Step 3: Cross multiply
    8,485.18x = 12,732.73 × 3,554.40
  4. Step 4: Simplify right side
    8,485.18x = 45,257,215.51
  5. Step 5: Solve for x
    x = 45,257,215.51/8,485.18
  6. Step 6: Final answer
    x = 5,333.68

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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.