Home / 7,420.90-11,131.38-6,027.62

Finding the Fourth Proportional to 7,420.90, 11,131.38 and 6,027.62

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Solution

The fourth proportional to 7,420.90, 11,131.38 and 6,027.62 is: 9,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.90 : 11,131.38 = 6,027.62 : x
  2. Step 2: Convert to fraction form
    7,420.90/11,131.38 = 6,027.62/x
  3. Step 3: Cross multiply
    7,420.90x = 11,131.38 × 6,027.62
  4. Step 4: Simplify right side
    7,420.90x = 67,095,728.72
  5. Step 5: Solve for x
    x = 67,095,728.72/7,420.90
  6. Step 6: Final answer
    x = 9,041.45

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Half scale
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Double scale
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Similar ratio
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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.