Home / 7,228.36-9,976.62-4,245.76

Finding the Fourth Proportional to 7,228.36, 9,976.62 and 4,245.76

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Solution

The fourth proportional to 7,228.36, 9,976.62 and 4,245.76 is: 5,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.36 : 9,976.62 = 4,245.76 : x
  2. Step 2: Convert to fraction form
    7,228.36/9,976.62 = 4,245.76/x
  3. Step 3: Cross multiply
    7,228.36x = 9,976.62 × 4,245.76
  4. Step 4: Simplify right side
    7,228.36x = 42,358,334.13
  5. Step 5: Solve for x
    x = 42,358,334.13/7,228.36
  6. Step 6: Final answer
    x = 5,860.02

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Double scale
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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.