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Finding the Fourth Proportional to 9,043.93, 12,472.29 and 6,206.29

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Solution

The fourth proportional to 9,043.93, 12,472.29 and 6,206.29 is: 8,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.93 : 12,472.29 = 6,206.29 : x
  2. Step 2: Convert to fraction form
    9,043.93/12,472.29 = 6,206.29/x
  3. Step 3: Cross multiply
    9,043.93x = 12,472.29 × 6,206.29
  4. Step 4: Simplify right side
    9,043.93x = 77,406,648.70
  5. Step 5: Solve for x
    x = 77,406,648.70/9,043.93
  6. Step 6: Final answer
    x = 8,558.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.