Home / 7,418.25-10,237.19-4,275.05

Finding the Fourth Proportional to 7,418.25, 10,237.19 and 4,275.05

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Solution

The fourth proportional to 7,418.25, 10,237.19 and 4,275.05 is: 5,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.25 : 10,237.19 = 4,275.05 : x
  2. Step 2: Convert to fraction form
    7,418.25/10,237.19 = 4,275.05/x
  3. Step 3: Cross multiply
    7,418.25x = 10,237.19 × 4,275.05
  4. Step 4: Simplify right side
    7,418.25x = 43,764,426.55
  5. Step 5: Solve for x
    x = 43,764,426.55/7,418.25
  6. Step 6: Final answer
    x = 5,899.56

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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.