Home / 8,359.04-12,542.16-3,166.40

Finding the Fourth Proportional to 8,359.04, 12,542.16 and 3,166.40

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Solution

The fourth proportional to 8,359.04, 12,542.16 and 3,166.40 is: 4,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.04 : 12,542.16 = 3,166.40 : x
  2. Step 2: Convert to fraction form
    8,359.04/12,542.16 = 3,166.40/x
  3. Step 3: Cross multiply
    8,359.04x = 12,542.16 × 3,166.40
  4. Step 4: Simplify right side
    8,359.04x = 39,713,495.42
  5. Step 5: Solve for x
    x = 39,713,495.42/8,359.04
  6. Step 6: Final answer
    x = 4,750.96

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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.