Home / 6,491.19-8,957.85-3,507.03

Finding the Fourth Proportional to 6,491.19, 8,957.85 and 3,507.03

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Solution

The fourth proportional to 6,491.19, 8,957.85 and 3,507.03 is: 4,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.19 : 8,957.85 = 3,507.03 : x
  2. Step 2: Convert to fraction form
    6,491.19/8,957.85 = 3,507.03/x
  3. Step 3: Cross multiply
    6,491.19x = 8,957.85 × 3,507.03
  4. Step 4: Simplify right side
    6,491.19x = 31,415,448.69
  5. Step 5: Solve for x
    x = 31,415,448.69/6,491.19
  6. Step 6: Final answer
    x = 4,839.71

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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.