Home / 6,263.38-8,631.57-4,491.91

Finding the Fourth Proportional to 6,263.38, 8,631.57 and 4,491.91

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Solution

The fourth proportional to 6,263.38, 8,631.57 and 4,491.91 is: 6,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.38 : 8,631.57 = 4,491.91 : x
  2. Step 2: Convert to fraction form
    6,263.38/8,631.57 = 4,491.91/x
  3. Step 3: Cross multiply
    6,263.38x = 8,631.57 × 4,491.91
  4. Step 4: Simplify right side
    6,263.38x = 38,772,235.60
  5. Step 5: Solve for x
    x = 38,772,235.60/6,263.38
  6. Step 6: Final answer
    x = 6,190.31

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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.