Home / 7,411.36-11,115.24-3,460.12

Finding the Fourth Proportional to 7,411.36, 11,115.24 and 3,460.12

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Solution

The fourth proportional to 7,411.36, 11,115.24 and 3,460.12 is: 5,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.36 : 11,115.24 = 3,460.12 : x
  2. Step 2: Convert to fraction form
    7,411.36/11,115.24 = 3,460.12/x
  3. Step 3: Cross multiply
    7,411.36x = 11,115.24 × 3,460.12
  4. Step 4: Simplify right side
    7,411.36x = 38,460,064.23
  5. Step 5: Solve for x
    x = 38,460,064.23/7,411.36
  6. Step 6: Final answer
    x = 5,189.34

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Double scale
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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.