Home / 8,123.37-11,209.43-4,585.89

Finding the Fourth Proportional to 8,123.37, 11,209.43 and 4,585.89

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Solution

The fourth proportional to 8,123.37, 11,209.43 and 4,585.89 is: 6,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.37 : 11,209.43 = 4,585.89 : x
  2. Step 2: Convert to fraction form
    8,123.37/11,209.43 = 4,585.89/x
  3. Step 3: Cross multiply
    8,123.37x = 11,209.43 × 4,585.89
  4. Step 4: Simplify right side
    8,123.37x = 51,405,266.44
  5. Step 5: Solve for x
    x = 51,405,266.44/8,123.37
  6. Step 6: Final answer
    x = 6,328.07

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Half scale
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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.