Home / 7,631.40-10,534.94-5,743.72

Finding the Fourth Proportional to 7,631.40, 10,534.94 and 5,743.72

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Solution

The fourth proportional to 7,631.40, 10,534.94 and 5,743.72 is: 7,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.40 : 10,534.94 = 5,743.72 : x
  2. Step 2: Convert to fraction form
    7,631.40/10,534.94 = 5,743.72/x
  3. Step 3: Cross multiply
    7,631.40x = 10,534.94 × 5,743.72
  4. Step 4: Simplify right side
    7,631.40x = 60,509,745.58
  5. Step 5: Solve for x
    x = 60,509,745.58/7,631.40
  6. Step 6: Final answer
    x = 7,929.05

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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.