Home / 7,407.36-10,221.99-4,132.79

Finding the Fourth Proportional to 7,407.36, 10,221.99 and 4,132.79

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Solution

The fourth proportional to 7,407.36, 10,221.99 and 4,132.79 is: 5,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.36 : 10,221.99 = 4,132.79 : x
  2. Step 2: Convert to fraction form
    7,407.36/10,221.99 = 4,132.79/x
  3. Step 3: Cross multiply
    7,407.36x = 10,221.99 × 4,132.79
  4. Step 4: Simplify right side
    7,407.36x = 42,245,338.05
  5. Step 5: Solve for x
    x = 42,245,338.05/7,407.36
  6. Step 6: Final answer
    x = 5,703.16

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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.