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Finding the Fourth Proportional to 9,047.84, 12,485.97 and 5,068.85

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Solution

The fourth proportional to 9,047.84, 12,485.97 and 5,068.85 is: 6,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.84 : 12,485.97 = 5,068.85 : x
  2. Step 2: Convert to fraction form
    9,047.84/12,485.97 = 5,068.85/x
  3. Step 3: Cross multiply
    9,047.84x = 12,485.97 × 5,068.85
  4. Step 4: Simplify right side
    9,047.84x = 63,289,446.60
  5. Step 5: Solve for x
    x = 63,289,446.60/9,047.84
  6. Step 6: Final answer
    x = 6,994.98

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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.