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Finding the Fourth Proportional to 9,425.79, 14,137.08 and 4,747.89

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Solution

The fourth proportional to 9,425.79, 14,137.08 and 4,747.89 is: 7,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.79 : 14,137.08 = 4,747.89 : x
  2. Step 2: Convert to fraction form
    9,425.79/14,137.08 = 4,747.89/x
  3. Step 3: Cross multiply
    9,425.79x = 14,137.08 × 4,747.89
  4. Step 4: Simplify right side
    9,425.79x = 67,121,300.76
  5. Step 5: Solve for x
    x = 67,121,300.76/9,425.79
  6. Step 6: Final answer
    x = 7,121.03

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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.