Home / 7,513.66-11,278.14-3,621.34

Finding the Fourth Proportional to 7,513.66, 11,278.14 and 3,621.34

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Solution

The fourth proportional to 7,513.66, 11,278.14 and 3,621.34 is: 5,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.66 : 11,278.14 = 3,621.34 : x
  2. Step 2: Convert to fraction form
    7,513.66/11,278.14 = 3,621.34/x
  3. Step 3: Cross multiply
    7,513.66x = 11,278.14 × 3,621.34
  4. Step 4: Simplify right side
    7,513.66x = 40,841,979.51
  5. Step 5: Solve for x
    x = 40,841,979.51/7,513.66
  6. Step 6: Final answer
    x = 5,435.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.