Home / 7,414.39-10,214.35-5,172.26

Finding the Fourth Proportional to 7,414.39, 10,214.35 and 5,172.26

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Solution

The fourth proportional to 7,414.39, 10,214.35 and 5,172.26 is: 7,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.39 : 10,214.35 = 5,172.26 : x
  2. Step 2: Convert to fraction form
    7,414.39/10,214.35 = 5,172.26/x
  3. Step 3: Cross multiply
    7,414.39x = 10,214.35 × 5,172.26
  4. Step 4: Simplify right side
    7,414.39x = 52,831,239.02
  5. Step 5: Solve for x
    x = 52,831,239.02/7,414.39
  6. Step 6: Final answer
    x = 7,125.50

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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.