Home / 7,223.60-9,961.46-4,391.36

Finding the Fourth Proportional to 7,223.60, 9,961.46 and 4,391.36

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Solution

The fourth proportional to 7,223.60, 9,961.46 and 4,391.36 is: 6,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.60 : 9,961.46 = 4,391.36 : x
  2. Step 2: Convert to fraction form
    7,223.60/9,961.46 = 4,391.36/x
  3. Step 3: Cross multiply
    7,223.60x = 9,961.46 × 4,391.36
  4. Step 4: Simplify right side
    7,223.60x = 43,744,356.99
  5. Step 5: Solve for x
    x = 43,744,356.99/7,223.60
  6. Step 6: Final answer
    x = 6,055.76

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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.