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Finding the Fourth Proportional to 7,498, 11,236.07 and 4,217.50

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Solution

The fourth proportional to 7,498, 11,236.07 and 4,217.50 is: 6,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498 : 11,236.07 = 4,217.50 : x
  2. Step 2: Convert to fraction form
    7,498/11,236.07 = 4,217.50/x
  3. Step 3: Cross multiply
    7,498x = 11,236.07 × 4,217.50
  4. Step 4: Simplify right side
    7,498x = 47,388,125.23
  5. Step 5: Solve for x
    x = 47,388,125.23/7,498
  6. Step 6: Final answer
    x = 6,320.10

Related Problems

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Double scale
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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.