Home / 9,338.92-12,887.98-5,360.80

Finding the Fourth Proportional to 9,338.92, 12,887.98 and 5,360.80

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Solution

The fourth proportional to 9,338.92, 12,887.98 and 5,360.80 is: 7,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.92 : 12,887.98 = 5,360.80 : x
  2. Step 2: Convert to fraction form
    9,338.92/12,887.98 = 5,360.80/x
  3. Step 3: Cross multiply
    9,338.92x = 12,887.98 × 5,360.80
  4. Step 4: Simplify right side
    9,338.92x = 69,089,883.18
  5. Step 5: Solve for x
    x = 69,089,883.18/9,338.92
  6. Step 6: Final answer
    x = 7,398.06

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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.