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Finding the Fourth Proportional to 7,483.70, 11,211.50 and 6,258.98

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Solution

The fourth proportional to 7,483.70, 11,211.50 and 6,258.98 is: 9,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.70 : 11,211.50 = 6,258.98 : x
  2. Step 2: Convert to fraction form
    7,483.70/11,211.50 = 6,258.98/x
  3. Step 3: Cross multiply
    7,483.70x = 11,211.50 × 6,258.98
  4. Step 4: Simplify right side
    7,483.70x = 70,172,554.27
  5. Step 5: Solve for x
    x = 70,172,554.27/7,483.70
  6. Step 6: Final answer
    x = 9,376.72

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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.