Home / 7,491.94-10,338.78-4,134.76

Finding the Fourth Proportional to 7,491.94, 10,338.78 and 4,134.76

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Solution

The fourth proportional to 7,491.94, 10,338.78 and 4,134.76 is: 5,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.94 : 10,338.78 = 4,134.76 : x
  2. Step 2: Convert to fraction form
    7,491.94/10,338.78 = 4,134.76/x
  3. Step 3: Cross multiply
    7,491.94x = 10,338.78 × 4,134.76
  4. Step 4: Simplify right side
    7,491.94x = 42,748,373.99
  5. Step 5: Solve for x
    x = 42,748,373.99/7,491.94
  6. Step 6: Final answer
    x = 5,705.92

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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.