Home / 8,240.06-11,372.08-4,703.80

Finding the Fourth Proportional to 8,240.06, 11,372.08 and 4,703.80

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Solution

The fourth proportional to 8,240.06, 11,372.08 and 4,703.80 is: 6,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.06 : 11,372.08 = 4,703.80 : x
  2. Step 2: Convert to fraction form
    8,240.06/11,372.08 = 4,703.80/x
  3. Step 3: Cross multiply
    8,240.06x = 11,372.08 × 4,703.80
  4. Step 4: Simplify right side
    8,240.06x = 53,491,989.90
  5. Step 5: Solve for x
    x = 53,491,989.90/8,240.06
  6. Step 6: Final answer
    x = 6,491.70

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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.