Home / 8,328.50-11,493.37-4,551.70

Finding the Fourth Proportional to 8,328.50, 11,493.37 and 4,551.70

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Solution

The fourth proportional to 8,328.50, 11,493.37 and 4,551.70 is: 6,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.50 : 11,493.37 = 4,551.70 : x
  2. Step 2: Convert to fraction form
    8,328.50/11,493.37 = 4,551.70/x
  3. Step 3: Cross multiply
    8,328.50x = 11,493.37 × 4,551.70
  4. Step 4: Simplify right side
    8,328.50x = 52,314,372.23
  5. Step 5: Solve for x
    x = 52,314,372.23/8,328.50
  6. Step 6: Final answer
    x = 6,281.37

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Half scale
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Double 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.