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Finding the Fourth Proportional to 7,602.34, 11,395.70 and 2,921.08

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Solution

The fourth proportional to 7,602.34, 11,395.70 and 2,921.08 is: 4,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.34 : 11,395.70 = 2,921.08 : x
  2. Step 2: Convert to fraction form
    7,602.34/11,395.70 = 2,921.08/x
  3. Step 3: Cross multiply
    7,602.34x = 11,395.70 × 2,921.08
  4. Step 4: Simplify right side
    7,602.34x = 33,287,751.36
  5. Step 5: Solve for x
    x = 33,287,751.36/7,602.34
  6. Step 6: Final answer
    x = 4,378.62

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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.