Home / 7,459.40-11,227.01-5,619.80

Finding the Fourth Proportional to 7,459.40, 11,227.01 and 5,619.80

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Solution

The fourth proportional to 7,459.40, 11,227.01 and 5,619.80 is: 8,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.40 : 11,227.01 = 5,619.80 : x
  2. Step 2: Convert to fraction form
    7,459.40/11,227.01 = 5,619.80/x
  3. Step 3: Cross multiply
    7,459.40x = 11,227.01 × 5,619.80
  4. Step 4: Simplify right side
    7,459.40x = 63,093,550.80
  5. Step 5: Solve for x
    x = 63,093,550.80/7,459.40
  6. Step 6: Final answer
    x = 8,458.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.