Home / 7,538.92-10,404.80-4,555.19

Finding the Fourth Proportional to 7,538.92, 10,404.80 and 4,555.19

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Solution

The fourth proportional to 7,538.92, 10,404.80 and 4,555.19 is: 6,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.92 : 10,404.80 = 4,555.19 : x
  2. Step 2: Convert to fraction form
    7,538.92/10,404.80 = 4,555.19/x
  3. Step 3: Cross multiply
    7,538.92x = 10,404.80 × 4,555.19
  4. Step 4: Simplify right side
    7,538.92x = 47,395,828.33
  5. Step 5: Solve for x
    x = 47,395,828.33/7,538.92
  6. Step 6: Final answer
    x = 6,286.82

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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.