Home / 7,491.21-10,338.49-4,134.34

Finding the Fourth Proportional to 7,491.21, 10,338.49 and 4,134.34

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Solution

The fourth proportional to 7,491.21, 10,338.49 and 4,134.34 is: 5,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.21 : 10,338.49 = 4,134.34 : x
  2. Step 2: Convert to fraction form
    7,491.21/10,338.49 = 4,134.34/x
  3. Step 3: Cross multiply
    7,491.21x = 10,338.49 × 4,134.34
  4. Step 4: Simplify right side
    7,491.21x = 42,742,832.75
  5. Step 5: Solve for x
    x = 42,742,832.75/7,491.21
  6. Step 6: Final answer
    x = 5,705.73

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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.