Home / 6,237.90-9,349.05-3,118.78

Finding the Fourth Proportional to 6,237.90, 9,349.05 and 3,118.78

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Solution

The fourth proportional to 6,237.90, 9,349.05 and 3,118.78 is: 4,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.90 : 9,349.05 = 3,118.78 : x
  2. Step 2: Convert to fraction form
    6,237.90/9,349.05 = 3,118.78/x
  3. Step 3: Cross multiply
    6,237.90x = 9,349.05 × 3,118.78
  4. Step 4: Simplify right side
    6,237.90x = 29,157,630.16
  5. Step 5: Solve for x
    x = 29,157,630.16/6,237.90
  6. Step 6: Final answer
    x = 4,674.27

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.