Home / 7,540.17-10,405.19-4,555.49

Finding the Fourth Proportional to 7,540.17, 10,405.19 and 4,555.49

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Solution

The fourth proportional to 7,540.17, 10,405.19 and 4,555.49 is: 6,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.17 : 10,405.19 = 4,555.49 : x
  2. Step 2: Convert to fraction form
    7,540.17/10,405.19 = 4,555.49/x
  3. Step 3: Cross multiply
    7,540.17x = 10,405.19 × 4,555.49
  4. Step 4: Simplify right side
    7,540.17x = 47,400,664.19
  5. Step 5: Solve for x
    x = 47,400,664.19/7,540.17
  6. Step 6: Final answer
    x = 6,286.42

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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.