Home / 7,491.36-10,338.24-4,305.20

Finding the Fourth Proportional to 7,491.36, 10,338.24 and 4,305.20

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Solution

The fourth proportional to 7,491.36, 10,338.24 and 4,305.20 is: 5,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.36 : 10,338.24 = 4,305.20 : x
  2. Step 2: Convert to fraction form
    7,491.36/10,338.24 = 4,305.20/x
  3. Step 3: Cross multiply
    7,491.36x = 10,338.24 × 4,305.20
  4. Step 4: Simplify right side
    7,491.36x = 44,508,190.85
  5. Step 5: Solve for x
    x = 44,508,190.85/7,491.36
  6. Step 6: Final answer
    x = 5,941.27

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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.