Home / 7,418.64-10,238.65-4,436.12

Finding the Fourth Proportional to 7,418.64, 10,238.65 and 4,436.12

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Solution

The fourth proportional to 7,418.64, 10,238.65 and 4,436.12 is: 6,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.64 : 10,238.65 = 4,436.12 : x
  2. Step 2: Convert to fraction form
    7,418.64/10,238.65 = 4,436.12/x
  3. Step 3: Cross multiply
    7,418.64x = 10,238.65 × 4,436.12
  4. Step 4: Simplify right side
    7,418.64x = 45,419,880.04
  5. Step 5: Solve for x
    x = 45,419,880.04/7,418.64
  6. Step 6: Final answer
    x = 6,122.40

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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.