Home / 7,372.21-10,172.05-4,387.46

Finding the Fourth Proportional to 7,372.21, 10,172.05 and 4,387.46

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Solution

The fourth proportional to 7,372.21, 10,172.05 and 4,387.46 is: 6,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.21 : 10,172.05 = 4,387.46 : x
  2. Step 2: Convert to fraction form
    7,372.21/10,172.05 = 4,387.46/x
  3. Step 3: Cross multiply
    7,372.21x = 10,172.05 × 4,387.46
  4. Step 4: Simplify right side
    7,372.21x = 44,629,400.66
  5. Step 5: Solve for x
    x = 44,629,400.66/7,372.21
  6. Step 6: Final answer
    x = 6,053.74

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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.