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Finding the Fourth Proportional to 6,658.75, 9,995.03 and 4,905.72

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Solution

The fourth proportional to 6,658.75, 9,995.03 and 4,905.72 is: 7,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.75 : 9,995.03 = 4,905.72 : x
  2. Step 2: Convert to fraction form
    6,658.75/9,995.03 = 4,905.72/x
  3. Step 3: Cross multiply
    6,658.75x = 9,995.03 × 4,905.72
  4. Step 4: Simplify right side
    6,658.75x = 49,032,818.57
  5. Step 5: Solve for x
    x = 49,032,818.57/6,658.75
  6. Step 6: Final answer
    x = 7,363.67

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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.