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Finding the Fourth Proportional to 6,491.04, 8,953.95 and 4,391.52

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Solution

The fourth proportional to 6,491.04, 8,953.95 and 4,391.52 is: 6,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.04 : 8,953.95 = 4,391.52 : x
  2. Step 2: Convert to fraction form
    6,491.04/8,953.95 = 4,391.52/x
  3. Step 3: Cross multiply
    6,491.04x = 8,953.95 × 4,391.52
  4. Step 4: Simplify right side
    6,491.04x = 39,321,450.50
  5. Step 5: Solve for x
    x = 39,321,450.50/6,491.04
  6. Step 6: Final answer
    x = 6,057.80

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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.