Home / 7,339.68-10,123.92-4,540.32

Finding the Fourth Proportional to 7,339.68, 10,123.92 and 4,540.32

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Solution

The fourth proportional to 7,339.68, 10,123.92 and 4,540.32 is: 6,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.68 : 10,123.92 = 4,540.32 : x
  2. Step 2: Convert to fraction form
    7,339.68/10,123.92 = 4,540.32/x
  3. Step 3: Cross multiply
    7,339.68x = 10,123.92 × 4,540.32
  4. Step 4: Simplify right side
    7,339.68x = 45,965,836.45
  5. Step 5: Solve for x
    x = 45,965,836.45/7,339.68
  6. Step 6: Final answer
    x = 6,262.65

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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.