Home / 7,513.78-10,368.96-4,201.78

Finding the Fourth Proportional to 7,513.78, 10,368.96 and 4,201.78

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Solution

The fourth proportional to 7,513.78, 10,368.96 and 4,201.78 is: 5,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.78 : 10,368.96 = 4,201.78 : x
  2. Step 2: Convert to fraction form
    7,513.78/10,368.96 = 4,201.78/x
  3. Step 3: Cross multiply
    7,513.78x = 10,368.96 × 4,201.78
  4. Step 4: Simplify right side
    7,513.78x = 43,568,088.75
  5. Step 5: Solve for x
    x = 43,568,088.75/7,513.78
  6. Step 6: Final answer
    x = 5,798.42

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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.