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Finding the Fourth Proportional to 6,573.50, 9,071.62 and 3,740.80

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Solution

The fourth proportional to 6,573.50, 9,071.62 and 3,740.80 is: 5,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573.50 : 9,071.62 = 3,740.80 : x
  2. Step 2: Convert to fraction form
    6,573.50/9,071.62 = 3,740.80/x
  3. Step 3: Cross multiply
    6,573.50x = 9,071.62 × 3,740.80
  4. Step 4: Simplify right side
    6,573.50x = 33,935,116.10
  5. Step 5: Solve for x
    x = 33,935,116.10/6,573.50
  6. Step 6: Final answer
    x = 5,162.41

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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.